Eric Groen, DO
NPI 1942521836 · Internal Medicine Physician · Johnson City, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Groen, DO is a Internal Medicine Physician provider in Johnson City, TN (NPI 1942521836).
Provider details
- NPI number
- 1942521836
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 0102204288 (VA)
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
16 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
1,372 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 | 500 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 207 | $72 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 153 | $105 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 122 | $99 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 95 | $168 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 90 | 89 |
| Furosemide | 55 | 34 |
| Apixabanbrand: Eliquis | 53 | 17 |
| Losartan Potassium | 50 | 28 |
| Prednisone | 48 | 45 |
| Doxycycline Hyclate | 47 | 45 |
| Ropinirole Hcl | 44 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-15
- Last updated
- 2025-02-18
- Certified
- 2025-02-18
Frequently asked questions
- What is Eric Groen's NPI number?
- Eric Groen's National Provider Identifier (NPI) is 1942521836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Groen's specialty?
- Eric Groen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Groen located?
- Eric Groen's practice location on file with NPPES is 301 Med Tech Pkwy, Johnson City, TN 37604-2630.
- What is Eric Groen's phone number?
- The practice phone number listed in the NPPES registry for Eric Groen is (423) 794-5520.
- Does Eric Groen accept Medicare?
- Eric Groen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Groen's NPI active?
- Yes — Eric Groen's NPI (1942521836) is active in the NPPES registry as of the last update on 2025-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.