Regina Eum, MD
NPI 1003067604 · Physical Medicine & Rehabilitation Physician · Fairfield, CT
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Regina Eum, MD is a Physical Medicine & Rehabilitation Physician provider in Fairfield, CT (NPI 1003067604).
Provider details
- NPI number
- 1003067604
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 053139 (CT)
Specialties & taxonomies
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
220 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 101 | $197 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 49 | $240 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 43 | $35 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $140 |
Typical Medicare-allowed amounts for these services range $35–$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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 64 | 23 |
| Pregabalin | 51 | 18 |
| Methocarbamol | 42 | 27 |
| Duloxetine Hcl | 34 | — |
| Tizanidine Hcl | 25 | 16 |
| Baclofen | 20 | 13 |
| Cyclobenzaprine Hcl | 19 | — |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (2)
- 689 Campbell AveWest Haven, CT 06516-3711Phone: (203) 479-4037Fax: (203) 889-4953
- 689 Campbell AveWest Haven, CT 06516-3711Phone: (203) 479-4037Fax: (203) 889-4953
Registry dates
- Enumerated
- 2008-10-01
- Last updated
- 2018-03-17
Frequently asked questions
- What is Regina Eum's NPI number?
- Regina Eum's National Provider Identifier (NPI) is 1003067604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Regina Eum's specialty?
- Regina Eum is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Regina Eum located?
- Regina Eum's practice location on file with NPPES is 305 Black Rock Tpke, Fairfield, CT 06825-5508.
- What is Regina Eum's phone number?
- The practice phone number listed in the NPPES registry for Regina Eum is (203) 337-2600.
- Does Regina Eum accept Medicare?
- Regina Eum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Regina Eum's NPI active?
- Yes — Regina Eum's NPI (1003067604) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.