Dr John Holland Sadler, MD - Internal Medicine in Baltimore, MD

Dr John Holland Sadler, MD is a Internal Medicine - Nephrology physician based in Baltimore, Maryland. Dr John Holland Sadler is licensed to practice in Maryland (license number D14336) and his current practice location is 840 Hollins St, Baltimore, Maryland. He can be reached at his office (for appointments etc.) via phone at (410) 468-0900.

NPI number for Dr John Holland Sadler is 1235100850 and his current mailing address is 840 Hollins St, Baltimore, Maryland. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1235100850.

Contact Information

Dr John Holland Sadler, MD
840 Hollins St,
Baltimore, MD 21201-1024
(410) 468-0900
(410) 468-0911



Physician's Profile

Full NameDr John Holland Sadler
GenderMale
SpecialityInternal Medicine - Nephrology
Location840 Hollins St, Baltimore, Maryland
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1235100850
  • Provider Enumeration Date: 01/31/2006
  • Last Update Date: 10/05/2010

Medical Identifiers

Medical identifiers for Dr John Holland Sadler such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235100850NPI-NPPES
D14336OtherMDSTATE LICENSE
MA-15001-1200MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology D14336 (Maryland)Primary

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. Dr John Holland Sadler is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr John Holland Sadler, MD
840 Hollins St,
Baltimore, MD 21201-1024

Ph: (410) 468-0900
Dr John Holland Sadler, MD
840 Hollins St,
Baltimore, MD 21201-1024

Ph: (410) 468-0900

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› Verified 2 days ago


Internal Medicine Doctors in Baltimore, MD

Dr. Leonard Anang Sowah, M.D.
Nephrology
Medicare: Medicare Enrolled
Practice Location: 22 S Greene St, Baltimore, MD 21201
Phone: 410-706-4619    Fax: 410-706-2062
Dr. Bhavandeep Singh Bajaj, M.D.
Nephrology
Medicare: Accepting Medicare Assignments
Practice Location: 3345 Wilkens Avenue, Suite L10, Baltimore, MD 21229
Phone: 410-644-4444    Fax: 410-644-4484
Dr. Yonas Sisay, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 822 Guilford Ave, #100, Baltimore, MD 21202
Phone: 410-385-9672    
Dr. Stephen John Witanowski, MD
Nephrology
Medicare: Medicare Enrolled
Practice Location: 2700 Quarry Lake Dr, Suite 280, Baltimore, MD 21209
Phone: 410-469-5544    Fax: 410-585-2867
Dr. Susrutha Kotwal, MD
Nephrology
Medicare: Accepting Medicare Assignments
Practice Location: 4940 Eastern Ave, Mfl Bldg, West Tower, 6th Floor, Baltimore, MD 21224
Phone: 410-550-5018    
Dr. Mitesh G Trambadia, M.D.
Nephrology
Medicare: Medicare Enrolled
Practice Location: 6701 N Charles St Ste 5218, Baltimore, MD 21204
Phone: 443-849-3786    
Ronak K Patel, M.D.
Nephrology
Medicare: Accepting Medicare Assignments
Practice Location: 201 E University Pkwy, Baltimore, MD 21218
Phone: 410-554-2000    

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