Stephen Spear, M.D.
NPI 1518994359 · Internal Medicine Physician · Waterbury, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Spear, M.D. is a Internal Medicine Physician provider in Waterbury, CT (NPI 1518994359).
Provider details
- NPI number
- 1518994359
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 027398 (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
19 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 37 | 31 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 24 | 14 |
| Amlodipine Besylate | 23 | 17 |
| Lisinopril | 20 | 16 |
| Pioglitazone Hcl | 13 | 12 |
| Losartan Potassium | 12 | — |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2014-09-24
Frequently asked questions
- What is Stephen Spear's NPI number?
- Stephen Spear's National Provider Identifier (NPI) is 1518994359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Spear's specialty?
- Stephen Spear is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Spear located?
- Stephen Spear's practice location on file with NPPES is 80 Phoenix Ave, Waterbury, CT 06702-1418.
- What is Stephen Spear's phone number?
- The practice phone number listed in the NPPES registry for Stephen Spear is (203) 756-8021.
- Does Stephen Spear accept Medicare?
- Stephen Spear is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Spear's NPI active?
- Yes — Stephen Spear's NPI (1518994359) is active in the NPPES registry as of the last update on 2014-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.