MARK GORELIK MD
NPI 1245459551
Pediatrics - Pediatric Rheumatology in San Antonio, TX
About Mark Gorelik Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK GORELIK MD (NPI 1245459551) is an individual pediatric rheumatology provider in San Antonio, Texas, licensed in Texas (Q3876) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Gorelik Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Gorelik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78207
SAN ANTONIO, TX 78207
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 Mark Gorelik's NPI number?
The NPI number for Mark Gorelik is 1245459551. It was assigned to this individual provider in the NPPES registry on April 25, 2007.
Where is Mark Gorelik located?
Mark Gorelik practices at 333 N Santa Rosa St, San Antonio, TX 78207. The listed phone number is (210) 704-4849.
What is Mark Gorelik's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Rheumatology, with taxonomy code 2080P0216X.
Is Mark Gorelik enrolled in Medicare?
Yes. Mark Gorelik is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Gorelik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Gorelik reassigns Medicare benefits to Trustees Of Columbia University In The City Of New York (New York, NY). 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 Mark Gorelik'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 Mark Gorelik was last updated on May 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Mark Gorelik, MD · NPI 1245459551
Pediatric Rheumatology physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since April 25, 2007.
## Identity
- **NPI:** 1245459551 (Entity type: Individual)
- **Enumerated:** April 25, 2007
- **Primary specialty:** Pediatrics - Pediatric Rheumatology · taxonomy 2080P0216X
- **State license:** Q3876 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 333 N SANTA ROSA ST, San Antonio, TX 78207-3108
- **Phone:** (210) 704-4849
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 29, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1245459551) · Data from the CMS NPPES public registry.