Anne Barnett, MD
NPI 1447771688 · Endocrinology, Diabetes & Metabolism Physician · Stockton, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anne Barnett, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Stockton, CA (NPI 1447771688).
Provider details
- NPI number
- 1447771688
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A188756 (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
8 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
785 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) |
|---|---|---|
| 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 | 227 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 150 | $130 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 145 | $3 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 72 | $180 |
| Hemoglobin A1c Level83036 | 70 | $10 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 286 | 50 |
| Levothyroxine Sodium | 102 | 28 |
| Empagliflozinbrand: Jardiance | 81 | 27 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 74 | 23 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 53 | 21 |
| Methimazole | 52 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-28
- Last updated
- 2023-09-08
- Certified
- 2023-09-08
Frequently asked questions
- What is Anne Barnett's NPI number?
- Anne Barnett's National Provider Identifier (NPI) is 1447771688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anne Barnett's specialty?
- Anne Barnett is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Anne Barnett located?
- Anne Barnett's practice location on file with NPPES is 782 E Harding Way, Stockton, CA 95204-6101.
- What is Anne Barnett's phone number?
- The practice phone number listed in the NPPES registry for Anne Barnett is (209) 546-5200.
- Does Anne Barnett accept Medicare?
- Anne Barnett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anne Barnett's NPI active?
- Yes — Anne Barnett's NPI (1447771688) is active in the NPPES registry as of the last update on 2023-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.