Alan Rohrer, M.D.
NPI 1326022807 · Internal Medicine Physician · Frederick, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Rohrer, M.D. is a Internal Medicine Physician provider in Frederick, MD (NPI 1326022807).
Provider details
- NPI number
- 1326022807
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0037197 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Alprazolam | 49 |
| Duloxetine Hcl | 27 |
| Ziprasidone Hcl | 26 |
| Gabapentin | 24 |
| Amitriptyline Hcl | 20 |
| Lamotrigine | 20 |
| Methylphenidate Hcl | 17 |
| Bupropion Hclbrand: Bupropion Xl | 15 |
| Quetiapine Fumarate | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-30
- Last updated
- 2007-10-22
Frequently asked questions
- What is Alan Rohrer's NPI number?
- Alan Rohrer's National Provider Identifier (NPI) is 1326022807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Rohrer's specialty?
- Alan Rohrer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Rohrer located?
- Alan Rohrer's practice location on file with NPPES is 15 W 7th St, Frederick, MD 21701-4501.
- What is Alan Rohrer's phone number?
- The practice phone number listed in the NPPES registry for Alan Rohrer is (301) 698-5050.
- Does Alan Rohrer accept Medicare?
- Alan Rohrer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Rohrer's NPI active?
- Yes — Alan Rohrer's NPI (1326022807) is active in the NPPES registry as of the last update on 2007-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.