Eric Mortensen, MD
NPI 1538170311 · Internal Medicine Physician · Farmington, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Mortensen, MD is a Internal Medicine Physician provider in Farmington, CT (NPI 1538170311).
Provider details
- NPI number
- 1538170311
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L5058 (TX)
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
132 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 | 36 | $80 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 31 | $158 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 27 | $121 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 26 | $111 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 12 | $83 |
Typical Medicare-allowed amounts for these services range $80–$158 (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
- 2006-08-10
- Last updated
- 2022-09-28
- Certified
- 2021-06-03
Frequently asked questions
- What is Eric Mortensen's NPI number?
- Eric Mortensen's National Provider Identifier (NPI) is 1538170311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Mortensen's specialty?
- Eric Mortensen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Mortensen located?
- Eric Mortensen's practice location on file with NPPES is 263 Farmington Ave, Farmington, CT 06030-0001.
- What is Eric Mortensen's phone number?
- The practice phone number listed in the NPPES registry for Eric Mortensen is (860) 679-4477.
- Does Eric Mortensen accept Medicare?
- Eric Mortensen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Mortensen's NPI active?
- Yes — Eric Mortensen's NPI (1538170311) is active in the NPPES registry as of the last update on 2022-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.