Ferdinand Armas, M.D.
NPI 1689654493 · Psychiatry Physician · Chattanooga, TN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ferdinand Armas, M.D. is a Psychiatry Physician provider in Chattanooga, TN (NPI 1689654493).
Provider details
- NPI number
- 1689654493
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 33760 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 359 | 33 |
| Clonazepam | 270 | 26 |
| Zolpidem Tartrate | 241 | 25 |
| Temazepam | 174 | 16 |
| Nortriptyline Hcl | 162 | 21 |
| Quetiapine Fumarate | 133 | 13 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 115 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-18
- Last updated
- 2013-04-24
Frequently asked questions
- What is Ferdinand Armas's NPI number?
- Ferdinand Armas's National Provider Identifier (NPI) is 1689654493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ferdinand Armas's specialty?
- Ferdinand Armas is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ferdinand Armas located?
- Ferdinand Armas's practice location on file with NPPES is 5811 Lee Hwy, Chattanooga, TN 37421-6100.
- What is Ferdinand Armas's phone number?
- The practice phone number listed in the NPPES registry for Ferdinand Armas is (423) 499-4422.
- Does Ferdinand Armas accept Medicare?
- Ferdinand Armas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ferdinand Armas's NPI active?
- Yes — Ferdinand Armas's NPI (1689654493) is active in the NPPES registry as of the last update on 2013-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.