DR. TAMMY NGUYEN FERRO D.O.
NPI 1457552739
Internal Medicine - Critical Care Medicine in Tampa, FL
About Dr. Tammy Nguyen Ferro D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TAMMY NGUYEN FERRO D.O. (NPI 1457552739) is an individual critical care medicine provider in Tampa, Florida, licensed in Florida (OS11575) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Adventhealth Waterman, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Tammy Nguyen Ferro D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Tammy Ferro reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tampa, FL 33609
- Reassigned Medicare billing, Florida enrollment
- 85 clinicians in this Medicare group
Crystal River, FL 34429
- Reassigned Medicare billing, Florida enrollment
- 10 clinicians in this Medicare group
Orlando, FL 32803
- Reassigned Medicare billing, Florida enrollment
- 3,005 clinicians in this Medicare group
Ocala, FL 34471
- Reassigned Medicare billing, Florida enrollment
- 36 clinicians in this Medicare group
Ocala, FL 34471
- Reassigned Medicare billing, Florida enrollment
- 46 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Adventhealth Waterman
Acute Care Hospitals · Tavares, FLAdventhealth Ocala
Acute Care Hospitals · Ocala, FLShorepoint Health Port Charlotte
Acute Care Hospitals · Port Charlotte, FLAdventhealth Tampa
Acute Care Hospitals · Tampa, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33613 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 11
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TAMPA, FL 33613
TAMPA, FL 33613
TAMPA, FL 33613
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tammy Ferro's NPI number?
The NPI number for Tammy Ferro is 1457552739. It was assigned to this individual provider in the NPPES registry on May 31, 2007. The provider is also known as Dr. Tam Nguyen Ferro D.O..
Where is Tammy Ferro located?
Tammy Ferro practices at 3100 E Fletcher Ave, Tampa, FL 33613. The listed phone number is (407) 303-7283.
What is Tammy Ferro's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Tammy Ferro enrolled in Medicare?
Yes. Tammy Ferro is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Tammy Ferro's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Ferro reassigns Medicare benefits to 5 organizations: Intensivist Medicine Services Of Fl, LLC (Tampa, FL), Manoj B Shukla MD PA (Crystal River, FL), Florida Hospital Medical Group Inc (Orlando, FL), Ocala Lung & Critical Care Assocates Inc (Ocala, FL) and Appleton Intensivist Group, LLC (Ocala, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tammy Ferro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Ferro accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company and 1 other insurer list Tammy Ferro as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Tammy Ferro affiliated with any hospitals?
According to CMS data, Tammy Ferro is affiliated with Adventhealth Waterman, Adventhealth Ocala, Shorepoint Health Port Charlotte and Adventhealth Tampa.
When was this NPI record last updated?
The NPPES record for Tammy Ferro was last updated on September 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Tammy Nguyen Ferro, D.O. · NPI 1457552739
Critical Care Medicine physician in Tampa, Florida. Individual provider, active in the CMS NPPES registry since May 31, 2007.
## Identity
- **NPI:** 1457552739 (Entity type: Individual)
- **Enumerated:** May 31, 2007
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** OS11575 (Florida)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3100 E FLETCHER AVE, Tampa, FL 33613-4613
- **Phone:** (407) 303-7283 · **Fax:** (407) 303-0473
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Intensivist Medicine Services Of Fl, LLC (NPI 1235836388, Tampa, FL); Manoj B Shukla MD PA (NPI 1750318192, Crystal River, FL); Florida Hospital Medical Group Inc (NPI 1225034234, Orlando, FL); Ocala Lung & Critical Care Assocates Inc (NPI 1245298405, Ocala, FL); Appleton Intensivist Group, LLC (NPI 1407411796, Ocala, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Arizona College Of Osteopathic Medicine Mid Western University, class of 2006
## Record status
- **NPPES last updated:** September 19, 2024
- **Other identifiers:** Other HW461Y (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1457552739) · Data from the CMS NPPES public registry.