Hanna Massee, PA-C
NPI 1487298667 · Physician Assistant · Fairfield, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hanna Massee, PA-C is a Physician Assistant provider in Fairfield, CA (NPI 1487298667).
Provider details
- NPI number
- 1487298667
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA57390 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 163 | 67 |
| Triamcinolone Acetonide | 149 | 93 |
| Dupilumabbrand: Dupixent Pen | 67 | — |
| Clobetasol Propionate | 64 | 29 |
| Tacrolimus | 63 | 25 |
| Minoxidil | 61 | 16 |
| Fluocinonide | 55 | 26 |
| Doxycycline Hyclate | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,499 across 162 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-10-31
- Last updated
- 2023-04-13
- Certified
- 2023-04-13
Frequently asked questions
- What is Hanna Massee's NPI number?
- Hanna Massee's National Provider Identifier (NPI) is 1487298667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hanna Massee's specialty?
- Hanna Massee is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hanna Massee located?
- Hanna Massee's practice location on file with NPPES is 480 Chadbourne Rd Ste 201, Fairfield, CA 94534-9641.
- What is Hanna Massee's phone number?
- The practice phone number listed in the NPPES registry for Hanna Massee is (707) 399-4500.
- Does Hanna Massee accept Medicare?
- Hanna Massee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hanna Massee's NPI active?
- Yes — Hanna Massee's NPI (1487298667) is active in the NPPES registry as of the last update on 2023-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.