Mara Maas, M.D.
NPI 1235263955 · Pediatric Adolescent Medicine Physician · Orland Park, IL
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mara Maas, M.D. is a Pediatric Adolescent Medicine Physician provider in Orland Park, IL (NPI 1235263955).
Provider details
- NPI number
- 1235263955
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036-114693 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-15
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Frequently asked questions
- What is Mara Maas's NPI number?
- Mara Maas's National Provider Identifier (NPI) is 1235263955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mara Maas's specialty?
- Mara Maas is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mara Maas located?
- Mara Maas's practice location on file with NPPES is 16505 106th Ct, Orland Park, IL 60467-4522.
- What is Mara Maas's phone number?
- The practice phone number listed in the NPPES registry for Mara Maas is (708) 364-1550.
- Does Mara Maas accept Medicare?
- Mara Maas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mara Maas's NPI active?
- Yes — Mara Maas's NPI (1235263955) is active in the NPPES registry as of the last update on 2026-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.