Winko Zan, M.D.
NPI 1518190016 · Family Medicine Physician · Catonsville, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Winko Zan, M.D. is a Family Medicine Physician provider in Catonsville, MD (NPI 1518190016).
Provider details
- NPI number
- 1518190016
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0069594 (MD)
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
16 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
2,728 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 306 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 305 | $133 |
| X-Ray of Chest, 2 Views71046 | 217 | $31 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 203 | $16 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 176 | $34 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 159 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 220 | 217 |
| Methylprednisolone | 103 | 102 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 60 | 57 |
| Mupirocin | 58 | 58 |
| Amoxicillin | 47 | 47 |
| Diclofenac Sodium | 43 | 43 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 42 | 42 |
| Azithromycin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-08-31
- Last updated
- 2022-04-14
- Certified
- 2022-04-14
Frequently asked questions
- What is Winko Zan's NPI number?
- Winko Zan's National Provider Identifier (NPI) is 1518190016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Winko Zan's specialty?
- Winko Zan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Winko Zan located?
- Winko Zan's practice location on file with NPPES is 6333 Baltimore National Pike, Catonsville, MD 21228-3910.
- What is Winko Zan's phone number?
- The practice phone number listed in the NPPES registry for Winko Zan is (443) 514-1361.
- Does Winko Zan accept Medicare?
- Winko Zan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Winko Zan's NPI active?
- Yes — Winko Zan's NPI (1518190016) is active in the NPPES registry as of the last update on 2022-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.