Tammy Vargas, M.D.
NPI 1508803545 · Family Medicine Physician · Auburn, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Vargas, M.D. is a Family Medicine Physician provider in Auburn, MA (NPI 1508803545).
Provider details
- NPI number
- 1508803545
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 81639 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
538 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 | 280 | $127 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 118 | $131 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 95 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $90 |
Typical Medicare-allowed amounts for these services range $16–$131 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 124 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 591 | 150 |
| Amlodipine Besylate | 412 | 112 |
| Lisinopril | 394 | 106 |
| Levothyroxine Sodium | 307 | 81 |
| Rosuvastatin Calcium | 299 | 81 |
| Metoprolol Succinate | 240 | 62 |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (2)
- 9 Trolley Crossing RdCharlton, MA 01507-1351Phone: (774) 475-0509Fax: (774) 475-0510
- 100 South St Ste 201Southbridge, MA 01550-4051Phone: (508) 764-3194
Registry dates
- Enumerated
- 2006-05-31
- Last updated
- 2026-05-20
- Certified
- 2026-05-20
Frequently asked questions
- What is Tammy Vargas's NPI number?
- Tammy Vargas's National Provider Identifier (NPI) is 1508803545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Vargas's specialty?
- Tammy Vargas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tammy Vargas located?
- Tammy Vargas's practice location on file with NPPES is 813 Southbridge St, Auburn, MA 01501-1323.
- What is Tammy Vargas's phone number?
- The practice phone number listed in the NPPES registry for Tammy Vargas is (508) 832-0173.
- Does Tammy Vargas accept Medicare?
- Tammy Vargas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Vargas's NPI active?
- Yes — Tammy Vargas's NPI (1508803545) is active in the NPPES registry as of the last update on 2026-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.