NPPES file of Aug 9, 2026

Ferdinand Armas, M.D.

Psychiatry Physician · Chattanooga, TN

Ferdinand Armas, M.D. is a psychiatry physician with a practice address in Chattanooga, Tennessee, and NPI 1689654493, issued on Jan 18, 2006. Check the license (Tennessee 15962, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689654493
Name
Ferdinand Armas
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
15962 TN
33760 KY
2007022043 MO
Self-reported in NPPES; status is on the state search
Practice location
5811 Lee Hwy, Chattanooga, TN 37421
Phone
(423) 499-4422
Enumerated
Jan 18, 2006
Record last updated
Apr 24, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(423) 499-4420
Medicaid IDs
204930804 MO
166565001 AR
3012387 TN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Ferdinand Armas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 15962
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

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2.4 times the Medicare Part D claims of the average psychiatry physician in 2024

2,446 Medicare Part D claims for 76 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Ferdinand Armas2,446
  2. Specialty average1,000

Most prescribed

  1. Alprazolam359 claims
  2. Clonazepam270 claims
  3. Zolpidem Tartrate241 claims
  4. Temazepam174 claims
  5. Nortriptyline Hcl162 claims
  6. Quetiapine Fumarate133 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Ferdinand Armas among 731 psychiatry physician records in Tennessee

Ferdinand Armas, M.D. is one of 731 psychiatry physician records with a practice address in Tennessee. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2013 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Tennessee

There are 731 psychiatry physician records in Tennessee.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Prameet Bhushan, M.D.Chattanooga, TN 374211508084864
  2. Randall Brewer, MDChattanooga, TN 374211255324810
  3. Oscar Canale, MDChattanooga, TN 374211992830558
  4. Jonathan Cohen, MDChattanooga, TN 374211083699219
  5. Kevin Ferguson, M.D.Chattanooga, TN 374211164530036
  6. Oliver Gregory, M.D.Chattanooga, TN 374211588772545
  7. Ahmed Ibrahim, M.D.Chattanooga, TN 374211407188626
  8. Mark Jennings, MDChattanooga, TN 374211598713166

Common questions

What is Ferdinand Armas, M.D.'s NPI number?

Ferdinand Armas, M.D.'s National Provider Identifier (NPI) is 1689654493, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ferdinand Armas, M.D. located?

The NPPES record lists a practice address at 5811 Lee Hwy, Chattanooga, TN, 37421. Phone: (423) 499-4422. Providers update this record themselves, so call before visiting.

How can I verify Ferdinand Armas, M.D.'s license?

NPPES lists Tennessee license number 15962, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ferdinand Armas, M.D. prescribe under Medicare Part D?

In 2024, Ferdinand Armas, M.D. had 2,446 Medicare Part D claims for 76 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.