Eric Ahlstrom, M.D.
NPI 1770974826 · Critical Care Medicine (Internal Medicine) Physician · Washington, DC
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Ahlstrom, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Washington, DC (NPI 1770974826).
Provider details
- NPI number
- 1770974826
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301108169 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
486 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 258 | $240 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 95 | $196 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 53 | $134 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 50 | $193 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 30 | $128 |
Typical Medicare-allowed amounts for these services range $128–$240 (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.
Practice location
Mailing address
Additional practice locations (1)
- 110 Irving St NwWashington, DC 20010Phone: (202) 877-7000
Registry dates
- Enumerated
- 2015-02-11
- Last updated
- 2018-10-22
Frequently asked questions
- What is Eric Ahlstrom's NPI number?
- Eric Ahlstrom's National Provider Identifier (NPI) is 1770974826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Ahlstrom's specialty?
- Eric Ahlstrom is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Ahlstrom located?
- Eric Ahlstrom's practice location on file with NPPES is 110 Irving St Nw, Washington, DC 20010.
- What is Eric Ahlstrom's phone number?
- The practice phone number listed in the NPPES registry for Eric Ahlstrom is (202) 877-7000.
- Does Eric Ahlstrom accept Medicare?
- Eric Ahlstrom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Ahlstrom's NPI active?
- Yes — Eric Ahlstrom's NPI (1770974826) is active in the NPPES registry as of the last update on 2018-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.