Hanna Marie Massee, PA-C
- Part D claims, 2024
- 1,138
- MIPS score, 2024
- 71
- Industry payments
- $6,200
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1700 2nd St, Napa, CA 94559
- Practice phone
- Call (707) 643-5785
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Solano Dermatology Associates Inc
Napa, California
Find Hanna Massee's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Hanna Marie Massee is a physician assistant in Napa, California
Hanna Massee practices at Solano Dermatology Associates Inc in Napa, California.
Hanna Massee's NPI, 1487298667, was assigned on October 31, 2019. Hanna Massee graduated from University of California, Davis School of Medicine in 2019. Hanna Massee holds California license PA57390.
- NPI
- 1487298667NPI Registry (opens in a new tab)
- NPI enumeration date
- October 31, 2019
- NPI status
- Active
- Practice phone
- (707) 643-5785
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Hanna Marie Massee practices at Solano Dermatology Associates Inc in Napa, California
Hanna Massee's primary practice is Solano Dermatology Associates Inc, at 1700 2nd St, Napa, CA 94559 in Napa County. The practice phone is (707) 643-5785.
- Solano Dermatology Associates Inc1700 2nd St, Napa, CA 94559 · Napa CountyPhone(707) 643-5785
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Hanna Marie Massee is affiliated with 2 sites of care and 1 medical group
Hanna Massee's primary practice is Solano Dermatology Associates Inc in Napa, California. The medical group on file is Solano Dermatology Associates. Dmand AI also links Hanna Massee to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Hanna Marie Massee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hanna Massee practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Solano Dermatology Associates Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Hanna Marie Massee is one of 11,482 physician assistants in California
Physician assistant is Hanna Massee's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Hanna Massee is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cold sores or genital herpes, contact dermatitis, itchy rashes, joint cyst and psoriasis among the conditions Hanna Massee treats.
Physician assistants near Hanna Massee
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Hanna Marie Massee's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Hanna Massee's median patient age at 71, with 49% women.
Hanna Massee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women49%
- Men49%
Source: Dmand AI Patient Panel Data
Hanna Marie Massee wrote 1,138 Medicare Part D claims in 2024
In 2024, Hanna Massee wrote 1,138 Medicare Part D claims for 297 patients. 80% of them were for generic drugs. CMS names the drug for 1,018 of them, across 25 drugs with 11 or more claims each, at $1,038,240 in total drug cost.
Hanna Massee's Part D claims by kind of drug, 2024
- Generic912 claims80%
- Brand-name226 claims20%
Hanna Massee's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Hanna Massee's Part D claims, 2024
- Antibiotics5%62 of 1,138 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Hanna Marie Massee scored 71 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 71 out of 100 for Hanna Massee for performance year 2024, reported as part of a group.
Hanna Massee's MIPS scores, performance year 2024
- 71of 100Final score
- 46of 100Quality
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Hanna Marie Massee received $6,200 in industry payments from 2024 to 2025
CMS Open Payments shows 288 general payments to Hanna Massee from 24 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 95% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,175.
General payments to Hanna Massee by program year, 2024 to 2025
General payments to Hanna Massee by kind, 2024 to 2025
- Food and beverage$5,87695%
- Education$3245%
Companies that paid Hanna Massee the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Hanna Marie Massee graduated from University of California, Davis School of Medicine
Hanna Massee graduated from University of California, Davis School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Hanna Marie Massee's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Hanna Marie Massee
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hanna Marie Massee's NPI number?
Hanna Marie Massee's NPI number is 1487298667. It was assigned on October 31, 2019, and it is active in the NPI Registry.
What does Hanna Marie Massee specialize in?
Hanna Marie Massee is a physician assistant in Napa, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Hanna Marie Massee practice?
Hanna Massee practices at 1700 2nd St, Napa, CA 94559. Hanna Massee's primary practice is Solano Dermatology Associates Inc in Napa, California. Dmand AI also links Hanna Massee to 1 group practice or clinic.
What is Hanna Marie Massee's office phone number?
The practice phone on file for Hanna Massee is (707) 643-5785.
What is Hanna Marie Massee's medical license number?
Hanna Massee holds California license PA57390.
What medical group is Hanna Marie Massee part of?
Hanna Massee is linked to Solano Dermatology Associates.
What is Hanna Marie Massee's MIPS score?
Hanna Massee's MIPS final score for performance year 2024 is 71 out of 100, reported as part of a group.
Where did Hanna Marie Massee go to medical school?
Hanna Massee graduated from University of California, Davis School of Medicine in 2019.
What drugs does Hanna Marie Massee prescribe most?
In 2024 Medicare Part D data, Hanna Massee's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Dupixent Pen.
Has Hanna Marie Massee received payments from drug or device companies?
CMS Open Payments shows $6,200 in general payments to Hanna Massee from 24 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Hanna Marie Massee been practicing?
Hanna Massee graduated from medical school in 2019, 7 years ago.
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