Mary Vanko, M.D.
NPI 1700856556 · Obstetrics & Gynecology Physician · Merrillville, IN
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Vanko, M.D. is a Obstetrics & Gynecology Physician provider in Merrillville, IN (NPI 1700856556).
Provider details
- NPI number
- 1700856556
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 01046010A (IN)
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
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
123 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 | 86 | $116 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 26 | $157 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 11 | $154 |
Typical Medicare-allowed amounts for these services range $116–$157 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 165 | 83 |
| Alendronate Sodium | 60 | 20 |
| Fluconazole | 31 | 20 |
| Mirabegronbrand: Myrbetriq | 26 | — |
| Atorvastatin Calcium | 20 | — |
| Desmopressin Acetate | 18 | — |
| Amitriptyline Hcl | 17 | — |
| Sertraline Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-24
- Last updated
- 2009-07-10
Frequently asked questions
- What is Mary Vanko's NPI number?
- Mary Vanko's National Provider Identifier (NPI) is 1700856556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Vanko's specialty?
- Mary Vanko is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Vanko located?
- Mary Vanko's practice location on file with NPPES is 280 East 90th Drive, Merrillville, IN 46410-8102.
- What is Mary Vanko's phone number?
- The practice phone number listed in the NPPES registry for Mary Vanko is (219) 769-7650.
- Does Mary Vanko accept Medicare?
- Mary Vanko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Vanko's NPI active?
- Yes — Mary Vanko's NPI (1700856556) is active in the NPPES registry as of the last update on 2009-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.