Anna Hemphill, MD
NPI 1942591813 · Family Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Hemphill, MD is a Family Medicine Physician provider in Portland, OR (NPI 1942591813).
Provider details
- NPI number
- 1942591813
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD170245 (OR)
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
15 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
216 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 65 | $127 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 52 | $8 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 51 | $182 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 31 | $77 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 17 | $212 |
Typical Medicare-allowed amounts for these services range $8–$212 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 100 | 19 |
| Atorvastatin Calcium | 83 | 16 |
| Levothyroxine Sodium | 69 | 12 |
| Donepezil Hcl | 61 | — |
| Quetiapine Fumarate | 57 | 17 |
| Omeprazole | 52 | — |
| Furosemide | 51 | 20 |
Practice location
Mailing address
Additional practice locations (1)
- 2074 S 6th StKlamath Falls, OR 97601-3372Phone: (541) 851-8110
Registry dates
- Enumerated
- 2011-04-27
- Last updated
- 2023-04-21
- Certified
- 2023-04-21
Frequently asked questions
- What is Anna Hemphill's NPI number?
- Anna Hemphill's National Provider Identifier (NPI) is 1942591813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Hemphill's specialty?
- Anna Hemphill is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anna Hemphill located?
- Anna Hemphill's practice location on file with NPPES is 4400 Ne Halsey St, Portland, OR 97213-1545.
- What is Anna Hemphill's phone number?
- The practice phone number listed in the NPPES registry for Anna Hemphill is (503) 215-0750.
- Does Anna Hemphill accept Medicare?
- Anna Hemphill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Hemphill's NPI active?
- Yes — Anna Hemphill's NPI (1942591813) is active in the NPPES registry as of the last update on 2023-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.