Sahar Jahan, MD
NPI 1669993523 · Internal Medicine Physician · Gaithersburg, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sahar Jahan, MD is a Internal Medicine Physician provider in Gaithersburg, MD (NPI 1669993523).
Provider details
- NPI number
- 1669993523
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- T-3356 (MS)
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
9 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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 380 | 126 |
| Amlodipine Besylate | 201 | 70 |
| Losartan Potassium | 148 | 46 |
| Lisinopril | 123 | 44 |
| Metformin Hcl | 109 | 39 |
| Levothyroxine Sodium | 109 | 29 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-30
- Last updated
- 2021-05-27
- Certified
- 2021-05-27
Frequently asked questions
- What is Sahar Jahan's NPI number?
- Sahar Jahan's National Provider Identifier (NPI) is 1669993523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sahar Jahan's specialty?
- Sahar Jahan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sahar Jahan located?
- Sahar Jahan's practice location on file with NPPES is 655 Watkins Mill Rd, Gaithersburg, MD 20879-3301.
- What is Sahar Jahan's phone number?
- The practice phone number listed in the NPPES registry for Sahar Jahan is (240) 632-4000.
- Does Sahar Jahan accept Medicare?
- Sahar Jahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sahar Jahan's NPI active?
- Yes — Sahar Jahan's NPI (1669993523) is active in the NPPES registry as of the last update on 2021-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.