Hannah Giger, DO
NPI 1578145843 · Internal Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hannah Giger, DO is a Internal Medicine Physician provider in Portland, OR (NPI 1578145843).
Provider details
- NPI number
- 1578145843
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- DO218888 (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
5 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
89 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 | 55 | $77 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 22 | $171 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 12 | $111 |
Typical Medicare-allowed amounts for these services range $77–$171 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 57 | 25 |
| Levothyroxine Sodium | 22 | — |
| Amlodipine Besylate | 19 | — |
| Pantoprazole Sodium | 19 | — |
| Gabapentin | 16 | — |
| Lisinopril | 16 | — |
| Latanoprost | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-26
- Last updated
- 2024-09-30
- Certified
- 2024-09-30
Frequently asked questions
- What is Hannah Giger's NPI number?
- Hannah Giger's National Provider Identifier (NPI) is 1578145843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Giger's specialty?
- Hannah Giger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hannah Giger located?
- Hannah Giger's practice location on file with NPPES is 9205 Sw Barnes Rd, Portland, OR 97225-6603.
- What is Hannah Giger's phone number?
- The practice phone number listed in the NPPES registry for Hannah Giger is (503) 216-2621.
- Does Hannah Giger accept Medicare?
- Hannah Giger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hannah Giger's NPI active?
- Yes — Hannah Giger's NPI (1578145843) is active in the NPPES registry as of the last update on 2024-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.