Matthew Drew Grunwald, MD - Medicare Internal Medicine in Portland, ME

Matthew Drew Grunwald, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Portland, Maine. His current practice location is 161 Marginal Way, Portland, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 773-7964.

Matthew Drew Grunwald is licensed to practice in Maine (license number MD25916) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1689061954.

Contact Information

Matthew Drew Grunwald, MD
161 Marginal Way,
Portland, ME 04101-2438
(207) 773-7964
(207) 773-9073



Physician's Profile

Full NameMatthew Drew Grunwald
GenderMale
SpecialityInternal Medicine - Gastroenterology
Location161 Marginal Way, Portland, Maine
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1689061954
  • Provider Enumeration Date: 04/23/2015
  • Last Update Date: 12/19/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 5395080360
  • Enrollment ID: I20220727000155

Medical Identifiers

Medical identifiers for Matthew Drew Grunwald such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689061954NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology MD25916 (Maine)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Matthew Drew Grunwald allows following entities to bill medicare on his behalf.
Entity NameMaine Medical Partners
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598780447
PECOS PAC ID: 9335043967
Enrollment ID: O20040220000847

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› Verified 7 days ago

Entity NamePortland Gastroenterology Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508087289
PECOS PAC ID: 5193702967
Enrollment ID: O20040630000866

News Archive

Delayed childbearing may protect against triple-negative breast cancer

Younger women who wait at least 15 years after their first menstrual period to give birth to their first child may reduce their risk of an aggressive form of breast cancer by up to 60 percent, according to a Fred Hutchinson Cancer Research Center study.

Online and mobile apps designed for health and well-being are often short-lived

According to a doctoral thesis by Research Scientist Kirsikka Kaipainen from VTT Technical Research Centre of Finland, online and mobile applications for stress management and healthy eating reach a large number of users but their appeal tends to be short-lived.

IQ Therapeutics achieves 100% survival in rabbit model at 48 hours after inhalation anthrax infection

IQ Therapeutics B.V., Groningen, the Netherlands, announced this week that in collaboration with the University of Texas Medical Branch it has obtained outstanding results for the treatment of inhalation anthrax. In a rabbit model up to 100% survival could be achieved with extended time to treatment (48h post infection) with a combination of two specific monoclonal antibodies developed by IQ Therapeutics. This has significant potential for saving lives of infected people who have no immediate access to treatment.

Prenatal fruit consumption linked to improved cognitive development in infants

Most people have heard the old adage "an apple a day keeps the doctor away." It's an old truth that encompasses more than just apples-eating fruit in general is well known to reduce risk for a wide variety of health conditions such as heart disease and stroke.

Read more Medical News

› Verified 7 days ago

Entity NameMainehealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790265502
PECOS PAC ID: 7517860588
Enrollment ID: O20040701000166

News Archive

Delayed childbearing may protect against triple-negative breast cancer

Younger women who wait at least 15 years after their first menstrual period to give birth to their first child may reduce their risk of an aggressive form of breast cancer by up to 60 percent, according to a Fred Hutchinson Cancer Research Center study.

Online and mobile apps designed for health and well-being are often short-lived

According to a doctoral thesis by Research Scientist Kirsikka Kaipainen from VTT Technical Research Centre of Finland, online and mobile applications for stress management and healthy eating reach a large number of users but their appeal tends to be short-lived.

IQ Therapeutics achieves 100% survival in rabbit model at 48 hours after inhalation anthrax infection

IQ Therapeutics B.V., Groningen, the Netherlands, announced this week that in collaboration with the University of Texas Medical Branch it has obtained outstanding results for the treatment of inhalation anthrax. In a rabbit model up to 100% survival could be achieved with extended time to treatment (48h post infection) with a combination of two specific monoclonal antibodies developed by IQ Therapeutics. This has significant potential for saving lives of infected people who have no immediate access to treatment.

Prenatal fruit consumption linked to improved cognitive development in infants

Most people have heard the old adage "an apple a day keeps the doctor away." It's an old truth that encompasses more than just apples-eating fruit in general is well known to reduce risk for a wide variety of health conditions such as heart disease and stroke.

Read more Medical News

› Verified 7 days ago

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Matthew Drew Grunwald is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Matthew Drew Grunwald, MD
161 Marginal Way,
Portland, ME 04101-2438

Ph: (207) 773-7964
Matthew Drew Grunwald, MD
161 Marginal Way,
Portland, ME 04101-2438

Ph: (207) 773-7964

News Archive

Delayed childbearing may protect against triple-negative breast cancer

Younger women who wait at least 15 years after their first menstrual period to give birth to their first child may reduce their risk of an aggressive form of breast cancer by up to 60 percent, according to a Fred Hutchinson Cancer Research Center study.

Online and mobile apps designed for health and well-being are often short-lived

According to a doctoral thesis by Research Scientist Kirsikka Kaipainen from VTT Technical Research Centre of Finland, online and mobile applications for stress management and healthy eating reach a large number of users but their appeal tends to be short-lived.

IQ Therapeutics achieves 100% survival in rabbit model at 48 hours after inhalation anthrax infection

IQ Therapeutics B.V., Groningen, the Netherlands, announced this week that in collaboration with the University of Texas Medical Branch it has obtained outstanding results for the treatment of inhalation anthrax. In a rabbit model up to 100% survival could be achieved with extended time to treatment (48h post infection) with a combination of two specific monoclonal antibodies developed by IQ Therapeutics. This has significant potential for saving lives of infected people who have no immediate access to treatment.

Prenatal fruit consumption linked to improved cognitive development in infants

Most people have heard the old adage "an apple a day keeps the doctor away." It's an old truth that encompasses more than just apples-eating fruit in general is well known to reduce risk for a wide variety of health conditions such as heart disease and stroke.

Read more News

› Verified 7 days ago


Internal Medicine Doctors in Portland, ME

Andrew J. Hsu, M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 155 Fore River Pkwy, Portland, ME 04102
Phone: 207-535-1100    Fax: 207-879-8787
David A Polisner, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 144 State St, Portland, ME 04101
Phone: 207-879-3000    
Dr. Elizabeth A Jacobs, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 22 Bramhall St, Portland, ME 04102
Phone: 207-662-0111    
Brian D Moore, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 144 State St, Portland, ME 04101
Phone: 207-879-3000    
Marc Stuart Hoffman, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 144 State St, Portland, ME 04101
Phone: 207-879-3265    
Janet D Mcculley, D.O.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 22 Bramhall St, Portland, ME 04102
Phone: 207-662-4618    
Saeeda Fatima, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 22 Bramhall St Rm 2227, Portland, ME 04102
Phone: 207-662-4618    

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