Hannah Farquharson, M.D.
NPI 1659437838 · Family Medicine Physician · Santa Cruz, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hannah Farquharson, M.D. is a Family Medicine Physician provider in Santa Cruz, CA (NPI 1659437838).
Provider details
- NPI number
- 1659437838
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A91901 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
259 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 169 | $79 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 46 | $118 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 27 | $176 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 17 | $84 |
Typical Medicare-allowed amounts for these services range $79–$176 (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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Gabapentin | 47 |
| Atorvastatin Calcium | 36 |
| Empagliflozinbrand: Jardiance | 28 |
| Metoprolol Tartrate | 23 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (la) | 21 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 19 |
| Spironolactone | 19 |
| Levothyroxine Sodium | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-29
- Last updated
- 2021-12-17
Frequently asked questions
- What is Hannah Farquharson's NPI number?
- Hannah Farquharson's National Provider Identifier (NPI) is 1659437838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Farquharson's specialty?
- Hannah Farquharson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hannah Farquharson located?
- Hannah Farquharson's practice location on file with NPPES is 550 Water St Ste a, Santa Cruz, CA 95060-4126.
- What is Hannah Farquharson's phone number?
- The practice phone number listed in the NPPES registry for Hannah Farquharson is (831) 425-0420.
- Does Hannah Farquharson accept Medicare?
- Hannah Farquharson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hannah Farquharson's NPI active?
- Yes — Hannah Farquharson's NPI (1659437838) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.