Neil Robert Greenspan, MD - Medicare Gastroenterology in Providence, RI

Neil Robert Greenspan, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Providence, Rhode Island. He went to Columbia University College Of Physicians And Surgeons and graduated in 1984 and has 40 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Gastroenterology Associates Inc and his current practice location is 44 W River St, Providence, Rhode Island. You can reach out to his office (for appointments etc.) via phone at (401) 274-4800.

Neil Robert Greenspan is licensed to practice in Rhode Island (license number 7758) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1023007556.

Contact Information

Neil Robert Greenspan, MD
44 W River St,
Providence, RI 02904-2609
(401) 274-4800
(401) 454-0410



Physician's Profile

Full NameNeil Robert Greenspan
GenderMale
SpecialityGastroenterology
Experience40 Years
Location44 W River St, Providence, Rhode Island
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Neil Robert Greenspan attended and graduated from Columbia University College Of Physicians And Surgeons in 1984
  NPI Data:
  • NPI Number: 1023007556
  • Provider Enumeration Date: 10/18/2005
  • Last Update Date: 09/23/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 8224040456
  • Enrollment ID: I20101110001292

Medical Identifiers

Medical identifiers for Neil Robert Greenspan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023007556NPI-NPPES
110-0OtherRIBLUE SHIELD
1142OtherRINEIGHBORHOOD HEALTH PLAN
303209OtherRIHARVARD PILGRIM
5725-5OtherRIBLUE CROSS
7000105MedicaidRI
406209OtherRITUFTS
4185OtherRIBLUE CHIP

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 7758 (Rhode Island)Secondary
207RG0100XInternal Medicine - Gastroenterology 7758 (Rhode Island)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
The Miriam HospitalProvidence, RIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Gastroenterology Associates Inc610388652812

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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. Neil Robert Greenspan allows following entities to bill medicare on his behalf.
Entity NameGastroenterology Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093723546
PECOS PAC ID: 6103886528
Enrollment ID: O20041012000035

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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. Neil Robert Greenspan 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
Neil Robert Greenspan, MD
44 W River St,
Providence, RI 02904-2609

Ph: (401) 274-4800
Neil Robert Greenspan, MD
44 W River St,
Providence, RI 02904-2609

Ph: (401) 274-4800

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Internal Medicine Doctors in Providence, RI

Christopher Donald Palmer, DO
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 101 Dudley St, Providence, RI 02905
Phone: 401-274-1122    Fax: 401-453-7597
Martha Catherine Trimbur, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 245 Chapman St Ste 300, Providence, RI 02905
Phone: 401-444-4741    Fax: 401-444-4445
Karl Herman, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 164 Summit Ave, Fain Bldg., Providence, RI 02906
Phone: 401-793-4489    Fax: 401-793-4047
Muhammad Baig, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 164 Summit Ave, Fain Bldg, Providence, RI 02906
Phone: 401-793-4489    Fax: 401-793-4047
Dr. Peter Sidhom, DO
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 825 Chalkstone Ave, Providence, RI 02908
Phone: 603-560-2276    
Dr. Kanhai Farrakhan, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 593 Eddy St, Providence, RI 02903
Phone: 401-457-3336    Fax: 401-525-2349
Gary M Katzman, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 208 Collyer Street, Suite 100, Providence, RI 02904
Phone: 401-793-7191    Fax: 401-793-7200

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