Thomas Foss, M.D.
NPI 1194257089 · Family Medicine Physician · Mesa, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Foss, M.D. is a Family Medicine Physician provider in Mesa, AZ (NPI 1194257089).
Provider details
- NPI number
- 1194257089
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 60354 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
686 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 306 | $123 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 116 | $125 |
| Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 MinutesG0446 | 79 | $24 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 38 | $158 |
| Hemoglobin A1c Level83036 | 35 | $10 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 | 30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 310 | 107 |
| Rosuvastatin Calcium | 270 | 89 |
| Atorvastatin Calcium | 231 | 82 |
| Metformin Hcl | 214 | 78 |
| Lisinopril | 202 | 65 |
| Amlodipine Besylate | 177 | 62 |
| Levothyroxine Sodium |
Practice location
Mailing address
Additional practice locations (1)
- 1695 Interstate 35 SNew Braunfels, TX 78130-7464Phone: (830) 643-7900
Registry dates
- Enumerated
- 2017-03-30
- Last updated
- 2025-05-07
- Certified
- 2025-05-07
Frequently asked questions
- What is Thomas Foss's NPI number?
- Thomas Foss's National Provider Identifier (NPI) is 1194257089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Foss's specialty?
- Thomas Foss is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Foss located?
- Thomas Foss's practice location on file with NPPES is 1300 S Country Club Dr Ste 3, Mesa, AZ 85210-5162.
- What is Thomas Foss's phone number?
- The practice phone number listed in the NPPES registry for Thomas Foss is (480) 827-5500.
- Does Thomas Foss accept Medicare?
- Thomas Foss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Foss's NPI active?
- Yes — Thomas Foss's NPI (1194257089) is active in the NPPES registry as of the last update on 2025-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.