Frederick Internal Medicine and Endocrinology Services, PA
NPI 1760590111 · Endocrinology, Diabetes & Metabolism Physician · Frederick, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederick Internal Medicine and Endocrinology Services, PA is a Endocrinology, Diabetes & Metabolism Physician organization in Frederick, MD (NPI 1760590111).
Provider details
- NPI number
- 1760590111
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Andrew Donelson, Partner Physician(301) 663-3836
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- Donelson & Carnell MD PA
Registry dates
- Enumerated
- 2006-08-27
- Last updated
- 2025-09-02
- Certified
- 2024-10-29
Frequently asked questions
- What is Frederick Internal Medicine and Endocrinology Services, PA's NPI number?
- Frederick Internal Medicine and Endocrinology Services, PA's National Provider Identifier (NPI) is 1760590111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Frederick Internal Medicine and Endocrinology Services, PA?
- Frederick Internal Medicine and Endocrinology Services, PA is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Internal Medicine and Endocrinology Services, PA located?
- Frederick Internal Medicine and Endocrinology Services, PA's practice location on file with NPPES is 65 Thomas Johnson Dr Ste C, Frederick, MD 21702-4371.
- What is Frederick Internal Medicine and Endocrinology Services, PA's phone number?
- The practice phone number listed in the NPPES registry for Frederick Internal Medicine and Endocrinology Services, PA is (301) 663-3836.
- Does Frederick Internal Medicine and Endocrinology Services, PA accept Medicare?
- Frederick Internal Medicine and Endocrinology Services, PA is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Frederick Internal Medicine and Endocrinology Services, PA?
- The authorized official listed on Frederick Internal Medicine and Endocrinology Services, PA's NPPES record is Andrew Donelson, Partner Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Frederick Internal Medicine and Endocrinology Services, PA's NPI active?
- Yes — Frederick Internal Medicine and Endocrinology Services, PA's NPI (1760590111) is active in the NPPES registry as of the last update on 2025-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.