Terry J. Watnick, M.D.
Nephrology Physician · Baltimore, MD
Terry J. Watnick, M.D. is a nephrology physician with a practice address in Baltimore, Maryland, and NPI 1275579989, issued on Jun 21, 2006. Check the license (Maryland D40507, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Terry J. Watnick
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- D40507 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S. Greene St., Baltimore, MD 21201
- Phone
- (410) 328-5720
- Enumerated
- Jun 21, 2006
- Record last updated
- Apr 14, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (410) 328-5685
- Medicaid ID
- 089201700 MD
- Medicare enrollment
- Enrolled (PECOS I20100707000491); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 337 in Maryland → Look up another NPI →
Also registered at 22 S. Greene St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kai HuangStudent in an Organized Health Care Education/Training Program1881380871
- Mehrnaz Pajoumand, PHARM.D.Pharmacotherapy Pharmacist1124235213
- Flavia Rasetto, R.PHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1699066993
Verify Terry J. Watnick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D40507Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nephrology physician in 2024
20 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University OF Maryland Physicians PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Terry J. Watnick among 337 nephrology physician records in Maryland
Terry J. Watnick, M.D. is one of 337 nephrology physician records with a practice address in Maryland. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1987 · median 2001 among the 232 with a school on file
- Record last updated2014 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Maryland
There are 337 nephrology physician records in Maryland.
All 337 in Maryland → Every provider in Baltimore → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Nadiesda Costa, MDBaltimore, MD 212011457335895
- Mara Dinits-Pensy, M.D.Baltimore, MD 212011679521959
- Abutaleb Ejaz, M.D.Baltimore, MD 212011700827136
- Jeffrey Fink, M.D.Baltimore, MD 212011538119946
- Donna Hanes, M.D.Baltimore, MD 212011114970100
- Abdolreza Haririan, M.D.Baltimore, MD 212011497708747
- David Klassen, M.D.Baltimore, MD 212011285672147
- Paul Light, M.D.Baltimore, MD 212011982643250
Common questions
What is Terry J. Watnick, M.D.'s NPI number?
Terry J. Watnick, M.D.'s National Provider Identifier (NPI) is 1275579989, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Terry J. Watnick, M.D. located?
The NPPES record lists a practice address at 22 S. Greene St., Baltimore, MD, 21201. Phone: (410) 328-5720. Providers update this record themselves, so call before visiting.
How can I verify Terry J. Watnick, M.D.'s license?
NPPES lists Maryland license number D40507, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Terry J. Watnick, M.D. prescribe under Medicare Part D?
In 2024, Terry J. Watnick, M.D. had 20 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.