Alan H. Rohrer, M.D.
Internal Medicine Physician · Frederick, MD
Alan H. Rohrer, M.D. is an internal medicine physician with a practice address in Frederick, Maryland, and NPI 1326022807, issued on Nov 30, 2005. Check the license (Maryland D0037197, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Alan H. Rohrer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0037197 MD
Self-reported in NPPES; status is on the state search - Practice location
- 15 W 7TH St, Frederick, MD 21701
- Phone
- (301) 698-5050
- Enumerated
- Nov 30, 2005
- Record last updated
- Oct 22, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 698-4652
- Medicaid ID
- 284331500 MD
- Medicare enrollment
- Enrolled (PECOS I20110516000761); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Verify Alan H. Rohrer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0037197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
390 Medicare Part D claims for 13 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Alprazolam49 claims
- Duloxetine Hcl27 claims
- Ziprasidone Hcl26 claims
- Gabapentin24 claims
- Amitriptyline Hcl20 claims
- Lamotrigine20 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.
Bills Medicare through one group practice
- CptCumberland, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan H. Rohrer among 3,904 internal medicine physician records in Maryland
Alan H. Rohrer, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1980 · median 2003 among the 2,445 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 internal medicine physician records list a practice address in Frederick
They are 59 of the 3,981 NPPES records with a practice address in Frederick, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Frederick → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sajjad Aziz, MDFrederick, MD 217011457336554
- Michael Flessner, MDFrederick, MD 217011669401857
- James Grissom, M.D.Frederick, MD 217011881695898
- Syed Haque, M.D.Frederick, MD 217011952390205
- Safrina Hasan, DOFrederick, MD 217011679524540
- Sibte Kazmi, MDFrederick, MD 217011861451361
- Jack Lu, M.D.Frederick, MD 217011982717765
- Yassin Mohamed, M.D.Frederick, MD 217011386752806
Common questions
What is Alan H. Rohrer, M.D.'s NPI number?
Alan H. Rohrer, M.D.'s National Provider Identifier (NPI) is 1326022807, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alan H. Rohrer, M.D. located?
The NPPES record lists a practice address at 15 W 7TH St, Frederick, MD, 21701. Phone: (301) 698-5050. Providers update this record themselves, so call before visiting.
How can I verify Alan H. Rohrer, M.D.'s license?
NPPES lists Maryland license number D0037197, 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 Alan H. Rohrer, M.D. prescribe under Medicare Part D?
In 2024, Alan H. Rohrer, M.D. had 390 Medicare Part D claims for 13 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.