Frank Forbush, MD
NPI 1538164660 · Internal Medicine Physician · Johnson City, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frank Forbush, MD is a Internal Medicine Physician provider in Johnson City, TN (NPI 1538164660).
Provider details
- NPI number
- 1538164660
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 14896 (TN)
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
21 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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 66 | 49 |
| Losartan Potassium | 49 | 38 |
| Amlodipine Besylate | 49 | 37 |
| Atorvastatin Calcium | 38 | 29 |
| Omeprazole | 36 | 26 |
| Tamsulosin Hcl | 26 | 18 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-16
- Last updated
- 2023-10-25
- Certified
- 2023-10-25
Frequently asked questions
- What is Frank Forbush's NPI number?
- Frank Forbush's National Provider Identifier (NPI) is 1538164660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Forbush's specialty?
- Frank Forbush is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Forbush located?
- Frank Forbush's practice location on file with NPPES is 301 Med Tech Pkwy, Johnson City, TN 37604-2364.
- What is Frank Forbush's phone number?
- The practice phone number listed in the NPPES registry for Frank Forbush is (423) 794-5550.
- Does Frank Forbush accept Medicare?
- Frank Forbush is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frank Forbush's NPI active?
- Yes — Frank Forbush's NPI (1538164660) is active in the NPPES registry as of the last update on 2023-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.