Erin Barnes, MD
NPI 1649439084 · Family Medicine Physician · Quincy, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Barnes, MD is a Family Medicine Physician provider in Quincy, CA (NPI 1649439084).
Provider details
- NPI number
- 1649439084
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A102913 (CA)
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
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
69 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 25 | $116 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 16 | $127 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 16 | $80 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 12 | $168 |
Typical Medicare-allowed amounts for these services range $80–$168 (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 · 73 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 233 | 50 |
| Lisinopril | 157 | 27 |
| Levothyroxine Sodium | 154 | 31 |
| Amlodipine Besylate | 107 | 20 |
| Empagliflozinbrand: Jardiance | 92 | 13 |
| Losartan Potassium | 89 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-02
- Last updated
- 2021-02-18
- Certified
- 2021-02-18
Frequently asked questions
- What is Erin Barnes's NPI number?
- Erin Barnes's National Provider Identifier (NPI) is 1649439084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Barnes's specialty?
- Erin Barnes is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Erin Barnes located?
- Erin Barnes's practice location on file with NPPES is 1065 Bucks Lake Rd, Quincy, CA 95971-9507.
- What is Erin Barnes's phone number?
- The practice phone number listed in the NPPES registry for Erin Barnes is (530) 283-5640.
- Does Erin Barnes accept Medicare?
- Erin Barnes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Barnes's NPI active?
- Yes — Erin Barnes's NPI (1649439084) is active in the NPPES registry as of the last update on 2021-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.