Jack Stark, PA-C
NPI 1669436820 · Medical Physician Assistant · Danbury, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Stark, PA-C is a Medical Physician Assistant provider in Danbury, CT (NPI 1669436820).
Provider details
- NPI number
- 1669436820
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 000044 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
914 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 | 189 | $113 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 185 | $80 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 107 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 67 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 61 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 57 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 85 | 32 |
| Atorvastatin Calcium | 77 | 30 |
| Levothyroxine Sodium | 62 | 29 |
| Lisinopril | 56 | 20 |
| Losartan Potassium | 55 | 21 |
| Amlodipine Besylate | 54 | 21 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2022-10-20
- Certified
- 2022-10-20
Frequently asked questions
- What is Jack Stark's NPI number?
- Jack Stark's National Provider Identifier (NPI) is 1669436820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Stark's specialty?
- Jack Stark is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jack Stark located?
- Jack Stark's practice location on file with NPPES is 100 Reserve Rd Ste A4, Danbury, CT 06810-5267.
- What is Jack Stark's phone number?
- The practice phone number listed in the NPPES registry for Jack Stark is (203) 794-1979.
- Does Jack Stark accept Medicare?
- Jack Stark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Stark's NPI active?
- Yes — Jack Stark's NPI (1669436820) is active in the NPPES registry as of the last update on 2022-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.