Jeffrey Metzger, MD
NPI 1558328344 · Internal Medicine Physician · Danbury, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Metzger, MD is a Internal Medicine Physician provider in Danbury, CT (NPI 1558328344).
Provider details
- NPI number
- 1558328344
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 024818 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 52 | 30 |
| Atorvastatin Calcium | 47 | 33 |
| Amlodipine Besylate | 43 | 21 |
| Rosuvastatin Calcium | 42 | 24 |
| Sertraline Hcl | 41 | — |
| Lisinopril | 26 | 18 |
| Lisinopril/Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-27
- Last updated
- 2022-10-24
- Certified
- 2022-10-24
Frequently asked questions
- What is Jeffrey Metzger's NPI number?
- Jeffrey Metzger's National Provider Identifier (NPI) is 1558328344, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Metzger's specialty?
- Jeffrey Metzger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Metzger located?
- Jeffrey Metzger's practice location on file with NPPES is 100 Reserve Rd Ste A4, Danbury, CT 06810-5267.
- What is Jeffrey Metzger's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Metzger is (203) 794-1979.
- Does Jeffrey Metzger accept Medicare?
- Jeffrey Metzger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Metzger's NPI active?
- Yes — Jeffrey Metzger's NPI (1558328344) is active in the NPPES registry as of the last update on 2022-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.