Terren Merrill Himelfarb, M.D.
Urology Physician · Baltimore, MD
Terren Merrill Himelfarb, M.D. is a urology physician with a practice address in Baltimore, Maryland, and NPI 1093816811, issued on Sep 26, 2006. Check the license (Maryland D05414, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Terren Merrill Himelfarb
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- D05414 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1900 E Northern Pkwy, Baltimore, MD 21239
- Phone
- (410) 433-0760
- Enumerated
- Sep 26, 2006
- Record last updated
- Jul 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (410) 532-3503
- Entity
- Type 1 · individual
Also registered at 1900 E Northern Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Anyaoha, MSN, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1013605443
- Yolanda Chambers, PTACommunity Health Worker1790172427
- Randi Hamilton, LGPCProfessional Counselor1457975815
- John MitcherlingOral and Maxillofacial Surgery (Dentist)1871588202
- William MitcherlingOral and Maxillofacial Surgery (Dentist)1356336499
Verify Terren Merrill Himelfarb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D05414Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average urology physician in 2024
22 Medicare Part D claims, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
Industry payments in 2024: $66.83
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Urology Physician providers in Maryland
There are 311 urology physician records in Maryland.
Other urology physician records in Maryland
- Leslie Abramowitz, M.D.Baltimore, MD1255388690
- Harbhajan Ajrawat, MDGreenbelt, MD1205883881
- Christen Alevizatos, M.D.Baltimore, MD1154376325
- Harold Alfert, M.D.Baltimore, MD1316901903
- Mohamad Allaf, M.D.Baltimore, MD1619912243
- Matthew Allaway, DOCumberland, MD1386750057
- Jordan Angell, MDWestminster, MD1306021076
- Marc Applestein, M.D.Columbia, MD1679511620
- Natalia Arias Villela, MDTowson, MD1699279927
- Barry Aron, MDRockville, MD1760495261
Common questions
What is Terren Merrill Himelfarb, M.D.'s NPI number?
Terren Merrill Himelfarb, M.D.'s National Provider Identifier (NPI) is 1093816811, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Terren Merrill Himelfarb, M.D. located?
The NPPES record lists a practice address at 1900 E Northern Pkwy, Baltimore, MD, 21239. Phone: (410) 433-0760. Providers update this record themselves, so call before visiting.
How can I verify Terren Merrill Himelfarb, M.D.'s license?
NPPES lists Maryland license number D05414, 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 Terren Merrill Himelfarb, M.D. prescribe under Medicare Part D?
In 2024, Terren Merrill Himelfarb, M.D. had 22 Medicare Part D claims; the average among urology physician prescribers was 1,340. 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.