Annabelle Sammis, M.D.
NPI 1588792568 · Geriatric Medicine (Internal Medicine) Physician · Portland, OR
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annabelle Sammis, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Portland, OR (NPI 1588792568).
Provider details
- NPI number
- 1588792568
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 26758 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
273 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 50 Minutes99233 | 157 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 57 | $78 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 21 | $172 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 21 | $115 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 | $129 |
Typical Medicare-allowed amounts for these services range $78–$172 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-01
- Last updated
- 2007-07-17
Frequently asked questions
- What is Annabelle Sammis's NPI number?
- Annabelle Sammis's National Provider Identifier (NPI) is 1588792568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annabelle Sammis's specialty?
- Annabelle Sammis is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Annabelle Sammis located?
- Annabelle Sammis's practice location on file with NPPES is 1015 Nw 22nd Ave, Portland, OR 97210-3025.
- What is Annabelle Sammis's phone number?
- The practice phone number listed in the NPPES registry for Annabelle Sammis is (503) 413-7711.
- Does Annabelle Sammis accept Medicare?
- Annabelle Sammis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annabelle Sammis's NPI active?
- Yes — Annabelle Sammis's NPI (1588792568) is active in the NPPES registry as of the last update on 2007-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.