Ellen Fremion, MD
NPI 1487815544 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Fremion, MD is a Internal Medicine Physician provider in Houston, TX (NPI 1487815544).
Provider details
- NPI number
- 1487815544
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- N8786 (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
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
239 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $126 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 65 | $17 |
| Administration of Influenza Virus VaccineG0008 | 37 | $33 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $178 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 20 | $64 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 74 | 29 |
| Levothyroxine Sodium | 63 | 18 |
| Diazepam | 46 | 11 |
| Atorvastatin Calcium | 46 | 11 |
| Fluoxetine Hcl | 45 | — |
| Escitalopram Oxalate | 44 | — |
| Risperidone | 34 | — |
Practice location
Mailing address
Additional practice locations (2)
- 6701 Fannin St Ste 1600Houston, TX 77030-2608Phone: (832) 822-4777
- 7200 Cambridge St Ste 8aHouston, TX 77030-4202Phone: (713) 798-6333Fax: (713) 798-0198
Registry dates
- Enumerated
- 2008-06-21
- Last updated
- 2024-05-06
- Certified
- 2022-03-23
Frequently asked questions
- What is Ellen Fremion's NPI number?
- Ellen Fremion's National Provider Identifier (NPI) is 1487815544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Fremion's specialty?
- Ellen Fremion is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Fremion located?
- Ellen Fremion's practice location on file with NPPES is 4430 Harrisburg Blvd., Houston, TX 77011.
- What is Ellen Fremion's phone number?
- The practice phone number listed in the NPPES registry for Ellen Fremion is (713) 798-6333.
- Does Ellen Fremion accept Medicare?
- Ellen Fremion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Fremion's NPI active?
- Yes — Ellen Fremion's NPI (1487815544) is active in the NPPES registry as of the last update on 2024-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.