Aaron Kramer, MD
NPI 1861843625 · Hospitalist Physician · Portland, OR
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Kramer, MD is a Hospitalist Physician provider in Portland, OR (NPI 1861843625).
Provider details
- NPI number
- 1861843625
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 63163 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
527 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 | 161 | $112 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 138 | $75 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 83 | $47 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 81 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 64 | $163 |
Typical Medicare-allowed amounts for these services range $47–$163 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 28 | 16 |
| Apixabanbrand: Eliquis | 27 | 14 |
| Amlodipine Besylate | 19 | — |
| Pantoprazole Sodium | 14 | — |
| Cefdinir | 13 | 13 |
| Metoprolol Tartrate | 13 | — |
| Furosemide | 12 |
Practice location
Mailing address
Additional practice locations (3)
- 2925 Chicago AveMinneapolis, MN 55407-1321Phone: (612) 863-4000
- 1111 Crater Lake AveMedford, OR 97504-6241Phone: (541) 732-5545Fax: (541) 732-5548
- 930 Sw Abbey StNewport, OR 97365-4820Phone: (541) 265-2244
Registry dates
- Enumerated
- 2016-06-23
- Last updated
- 2026-03-18
- Certified
- 2026-03-18
Frequently asked questions
- What is Aaron Kramer's NPI number?
- Aaron Kramer's National Provider Identifier (NPI) is 1861843625, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Kramer's specialty?
- Aaron Kramer is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Kramer located?
- Aaron Kramer's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011.
- What is Aaron Kramer's phone number?
- The practice phone number listed in the NPPES registry for Aaron Kramer is (503) 494-1164.
- Does Aaron Kramer accept Medicare?
- Aaron Kramer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Kramer's NPI active?
- Yes — Aaron Kramer's NPI (1861843625) is active in the NPPES registry as of the last update on 2026-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.