MARY A KOVALAK MD
NPI 1003861030
Internal Medicine - Gastroenterology in Englewood, CO
About Mary A Kovalak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY A KOVALAK MD (NPI 1003861030) is an individual gastroenterology provider in Englewood, Colorado, licensed in Colorado (48189) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Lone Tree, and is a graduate of Michigan State University College Of Human Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary A Kovalak Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mary Kovalak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Englewood, CO 80113
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: South Denver Gastroenterology, P.C
- 55 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80113 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ENGLEWOOD, CO 80113
ENGLEWOOD, CO 80113
ENGLEWOOD, CO 80113
ENGLEWOOD, CO 80113
ENGLEWOOD, CO 80113
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Kovalak's NPI number?
The NPI number for Mary Kovalak is 1003861030. It was assigned to this individual provider in the NPPES registry on May 25, 2006.
Where is Mary Kovalak located?
Mary Kovalak practices at 499 E Hampden Ave Ste 420, Englewood, CO 80113. The listed phone number is (303) 788-8888.
What is Mary Kovalak's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Mary Kovalak enrolled in Medicare?
Yes. Mary Kovalak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mary Kovalak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Kovalak reassigns Medicare benefits to South Denver Gastroenterology, PC (Englewood, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Kovalak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Kovalak was last updated on August 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.