Gregory Vaughan, M.D.
NPI 1023270030 · Family Medicine Physician · Auburn, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Vaughan, M.D. is a Family Medicine Physician provider in Auburn, CA (NPI 1023270030).
Provider details
- NPI number
- 1023270030
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,138 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 | 368 | $135 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 253 | $66 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 241 | $95 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 227 | $137 |
| 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 | 224 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 110 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 446 | 128 |
| Losartan Potassium | 333 | 87 |
| Levothyroxine Sodium | 238 | 57 |
| Amlodipine Besylate | 219 | 67 |
| Lisinopril | 200 | 61 |
| Gabapentin | 157 | 52 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-30
- Last updated
- 2013-10-15
Frequently asked questions
- What is Gregory Vaughan's NPI number?
- Gregory Vaughan's National Provider Identifier (NPI) is 1023270030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Vaughan's specialty?
- Gregory Vaughan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Vaughan located?
- Gregory Vaughan's practice location on file with NPPES is 3256 Professional Dr, Auburn, CA 95602-2412.
- What is Gregory Vaughan's phone number?
- The practice phone number listed in the NPPES registry for Gregory Vaughan is (530) 886-8630.
- Does Gregory Vaughan accept Medicare?
- Gregory Vaughan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Vaughan's NPI active?
- Yes — Gregory Vaughan's NPI (1023270030) is active in the NPPES registry as of the last update on 2013-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.