Darlene Zanker, M.D.
NPI 1891802112 · Family Medicine Physician · Capitola, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darlene Zanker, M.D. is a Family Medicine Physician provider in Capitola, CA (NPI 1891802112).
Provider details
- NPI number
- 1891802112
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A61432 (CA)
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
19 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
842 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 | 322 | $143 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 238 | $102 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 89 | $148 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 48 | $201 |
| Admn Sarscov2 Vacc 1 Dose90480 | 39 | $46 |
| Administration of Influenza Virus VaccineG0008 | 37 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 325 | 103 |
| Amlodipine Besylate | 247 | 72 |
| Levothyroxine Sodium | 168 | 50 |
| Lisinopril | 168 | 57 |
| Gabapentin | 137 | 46 |
| Losartan Potassium | 134 | 41 |
| Zolpidem Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2007-07-09
Frequently asked questions
- What is Darlene Zanker's NPI number?
- Darlene Zanker's National Provider Identifier (NPI) is 1891802112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darlene Zanker's specialty?
- Darlene Zanker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Darlene Zanker located?
- Darlene Zanker's practice location on file with NPPES is 528 Capitola Ave, Capitola, CA 95010-2750.
- What is Darlene Zanker's phone number?
- The practice phone number listed in the NPPES registry for Darlene Zanker is (831) 475-1630.
- Does Darlene Zanker accept Medicare?
- Darlene Zanker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darlene Zanker's NPI active?
- Yes — Darlene Zanker's NPI (1891802112) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.