Robert C. Ammlung, M.D.
Internal Medicine Physician · Catonsville, MD
Robert C. Ammlung, M.D. is an internal medicine physician with a practice address in Catonsville, Maryland, and NPI 1649225731, issued on May 24, 2006. Check the license (Maryland D0025234, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert C. Ammlung
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0025234 MD
Self-reported in NPPES; status is on the state search - Practice location
- 516 N Rolling RD, Catonsville, MD 21228
- Phone
- (410) 788-7030
- Enumerated
- May 24, 2006
- Record last updated
- Sep 8, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 372931100 MD
- Entity
- Type 1 · individual
Also registered at 516 N Rolling RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marcelino Albuerne, M.D.Geriatric Medicine (Internal Medicine) Physician1306817341
- Foriki AlmaLicensed Practical Nurse1467160887
- Sandra Anoruo, PMHNPPsychiatric/Mental Health Nurse Practitioner1306497870
- Evan Chung, D.C., M.S.Chiropractor1689003071
- Victoria Dansereau-Ryan, PSY.D.Clinical Psychologist1558137836
- Jennifer Eras, M.D.Nephrology Physician1568460996
Verify Robert C. Ammlung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0025234Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45 internal medicine physician records list a practice address in Catonsville
They are 45 of the 1,023 NPPES records with a practice address in Catonsville, and 3,904 internal medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 45 in Catonsville → All 3,904 in Maryland → Every provider in Catonsville →
Other internal medicine physician records in Maryland
- Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
- Rasheed Abassi, M.D.Clinton, MD1376608620
- Ghulam Abbas, MDFrederick, MD1477658045
- Shamima Abbas, MDKensington, MD1750445896
- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
- Arsalan Abbasi, MDWestminster, MD1942762604
- Hamdi AbdeenGaithersburg, MD1245972413
- Mukemil Abdella, M.D.Glenn Dale, MD1871603381
- Suzan Abdo, MDClarksville, MD1588631824
- Madeeha Abdul GhaffarElkton, MD1194276063
Common questions
What is Robert C. Ammlung, M.D.'s NPI number?
Robert C. Ammlung, M.D.'s National Provider Identifier (NPI) is 1649225731, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert C. Ammlung, M.D. located?
The NPPES record lists a practice address at 516 N Rolling RD, Catonsville, MD, 21228. Phone: (410) 788-7030. Providers update this record themselves, so call before visiting.
How can I verify Robert C. Ammlung, M.D.'s license?
NPPES lists Maryland license number D0025234, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.