Caryn Slack, M.D.
NPI 1689619124 · Family Medicine Physician · Bridgeport, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caryn Slack, M.D. is a Family Medicine Physician provider in Bridgeport, CA (NPI 1689619124).
Provider details
- NPI number
- 1689619124
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- C152597 (CA)
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
2 documented practice locations
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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 57 | 28 |
| Atorvastatin Calcium | 48 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 39 | 14 |
| Metformin Hcl | 32 | 12 |
| Quetiapine Fumarate | 31 | — |
| Losartan Potassium | 30 | 18 |
Practice location
Mailing address
Additional practice locations (1)
- 250 N See Vee LnBishop, CA 93514-8130Phone: (760) 873-8461Fax: (760) 873-3908
Registry dates
- Enumerated
- 2006-06-18
- Last updated
- 2025-11-25
- Certified
- 2025-11-25
Frequently asked questions
- What is Caryn Slack's NPI number?
- Caryn Slack's National Provider Identifier (NPI) is 1689619124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caryn Slack's specialty?
- Caryn Slack is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Caryn Slack located?
- Caryn Slack's practice location on file with NPPES is 199 Twin Lakes Rd, Bridgeport, CA 93517-8050.
- What is Caryn Slack's phone number?
- The practice phone number listed in the NPPES registry for Caryn Slack is (530) 495-2100.
- Does Caryn Slack accept Medicare?
- Caryn Slack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caryn Slack's NPI active?
- Yes — Caryn Slack's NPI (1689619124) is active in the NPPES registry as of the last update on 2025-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.