Barbara Bannan, M.D.
NPI 1790855708 · Family Medicine Physician · Watsonville, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Bannan, M.D. is a Family Medicine Physician provider in Watsonville, CA (NPI 1790855708).
Provider details
- NPI number
- 1790855708
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G68640 (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
19 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
71 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) |
|---|---|---|
| Blood Glucose (sugar) Level82947 | 32 | $4 |
| Hemoglobin A1c Level83036 | 28 | $10 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 11 | $21 |
Typical Medicare-allowed amounts for these services range $4–$21 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 73 | 20 |
| Metformin Hcl | 38 | 14 |
| Gabapentin | 26 | — |
| Amlodipine Besylate | 26 | — |
| Empagliflozinbrand: Jardiance | 22 | — |
| Lisinopril | 18 | — |
| Dulaglutide |
Practice location
Mailing address
Additional practice locations (1)
- 45 Neilson StWatsonville, CA 95076-2468Phone: (831) 728-0222Fax: (831) 707-2777
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2020-04-02
- Certified
- 2020-04-02
Frequently asked questions
- What is Barbara Bannan's NPI number?
- Barbara Bannan's National Provider Identifier (NPI) is 1790855708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Bannan's specialty?
- Barbara Bannan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Bannan located?
- Barbara Bannan's practice location on file with NPPES is 204 E Beach St, Watsonville, CA 95076-4809.
- What is Barbara Bannan's phone number?
- The practice phone number listed in the NPPES registry for Barbara Bannan is (831) 728-0222.
- Does Barbara Bannan accept Medicare?
- Barbara Bannan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Bannan's NPI active?
- Yes — Barbara Bannan's NPI (1790855708) is active in the NPPES registry as of the last update on 2020-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.