NPPES file of Aug 9, 2026

Tammy Nguyen Ferro, D.O.

Critical Care Medicine (Internal Medicine) Physician · Tampa, FL

Tammy Nguyen Ferro, D.O. is a critical care medicine (internal medicine) physician with a practice address in Tampa, Florida, and NPI 1457552739, issued on May 31, 2007. Check the license (Florida OS11575, as entered in NPPES) on the Florida health license search; 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
1457552739
Name
Tammy Nguyen Ferro
Credential
D.O.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
OS11575 FL
005539 AZ
Self-reported in NPPES; status is on the state search
Practice location
3100 E Fletcher Ave, Tampa, FL 33613
Phone
(407) 303-7283
Enumerated
May 31, 2007
Record last updated
Sep 19, 2024
Fax
(407) 303-0473
Medicare enrollment
Enrolled (PECOS I20140829001995); accepts Medicare assignment
Medical or professional school
Arizona College Of Osteopathic Medicine Mid Western University, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3100 E Fletcher Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Qassem Abdelal, MDCritical Care Medicine (Internal Medicine) Physician1477041796
  2. Mutaz Bellah AbudreaStudent in an Organized Health Care Education/Training Program1992559165
  3. Oleksandr Adzhymuratov, MDStudent in an Organized Health Care Education/Training Program1144161506
  4. Elliott Aguayo, M.D.Emergency Medicine Physician1942438940
  5. Caitlin AhernCertified Registered Nurse Anesthetist1457996852
  6. Sarah Aitchison, APRN-CPrimary Care Nurse Practitioner1912545666

Verify Tammy Nguyen Ferro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license OS11575
    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 Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

91% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

65 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.

  1. Tammy Ferro65
  2. Specialty average696

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.

Bills Medicare through 2 group practices

  1. Appleton Intensivist Group, LLCOcala, FL
  2. Florida Hospital Medical Group IncMaitland, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tammy Nguyen Ferro among 567 critical care medicine (internal medicine) physician records in Florida

Tammy Nguyen Ferro, D.O. is one of 567 critical care medicine (internal medicine) physician records with a practice address in Florida. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 24% of them.

  • NPI issued2007 · 24% of these records are older, 66% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated2006 · median 2009 among the 475 with a school on file
  • Record last updated2024 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Florida

There are 567 critical care medicine (internal medicine) physician records in Florida.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Qassem Abdelal, MDTampa, FL 336131477041796
  2. Farhan Ali, M.D.Tampa, FL 336131629225529
  3. John DahdahTampa, FL 336131386984003
  4. Rabeeh El-Refadi, M.D.Tampa, FL 336131780997791
  5. Mustafa Fadhel, M.D.Tampa, FL 336131548624497
  6. Sajid Kadir, MDTampa, FL 336131821377953
  7. Dean Kalia, DOTampa, FL 336131932632890
  8. Michael Newton, M.D.Tampa, FL 336131114024247

Common questions

What is Tammy Nguyen Ferro, D.O.'s NPI number?

Tammy Nguyen Ferro, D.O.'s National Provider Identifier (NPI) is 1457552739, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tammy Nguyen Ferro, D.O. located?

The NPPES record lists a practice address at 3100 E Fletcher Ave, Tampa, FL, 33613. Phone: (407) 303-7283. Providers update this record themselves, so call before visiting.

How can I verify Tammy Nguyen Ferro, D.O.'s license?

NPPES lists Florida license number OS11575, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tammy Nguyen Ferro, D.O. prescribe under Medicare Part D?

In 2024, Tammy Nguyen Ferro, D.O. had 65 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.