Dr Mary Tilak PC
NPI 1003096900 · Obesity Medicine (Internal Medicine) Physician · Munster, IN
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr Mary Tilak PC is a Obesity Medicine (Internal Medicine) Physician organization in Munster, IN (NPI 1003096900).
Provider details
- NPI number
- 1003096900
- Entity type
- Organization
- Primary specialty
- Obesity Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mary Tilak, President(219) 922-8051
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
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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.
Practice location
Mailing address
Additional practice locations (2)
- 6625 W Lincoln HwyCrown Point, IN 46307-9678Phone: (219) 922-8051Fax: (219) 922-8608
- 1275 E North St Ste 102Crown Point, IN 46307-3541Phone: (219) 922-8051Fax: (219) 922-8608
Registry dates
- Enumerated
- 2007-11-07
- Last updated
- 2026-04-24
- Certified
- 2026-04-24
Frequently asked questions
- What is Dr Mary Tilak PC's NPI number?
- Dr Mary Tilak PC's National Provider Identifier (NPI) is 1003096900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr Mary Tilak PC?
- Dr Mary Tilak PC is classified in the NPPES registry as Obesity Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Dr Mary Tilak PC located?
- Dr Mary Tilak PC's practice location on file with NPPES is 9410 Calumet Ave Ste 101, Munster, IN 46321-2812.
- What is Dr Mary Tilak PC's phone number?
- The practice phone number listed in the NPPES registry for Dr Mary Tilak PC is (219) 922-8051.
- Does Dr Mary Tilak PC accept Medicare?
- Dr Mary Tilak PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Dr Mary Tilak PC?
- The authorized official listed on Dr Mary Tilak PC's NPPES record is Mary Tilak, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr Mary Tilak PC's NPI active?
- Yes — Dr Mary Tilak PC's NPI (1003096900) is active in the NPPES registry as of the last update on 2026-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.