DR. MARK TAN M.D.
NPI 1578658266
Ophthalmology - Ophthalmic Plastic and Reconstructive Surgery in South Pasadena, CA
About Dr. Mark Tan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK TAN M.D. (NPI 1578658266) is an individual ophthalmic plastic and reconstructive surgery provider in South Pasadena, California, licensed in California (A94624) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mark Tan M.d. 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.
Areas of Expertise CMS Part B claims
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILIngalls Memorial Hospital
Acute Care Hospitals · Harvey, ILSilver Cross Hospital And Medical Centers
Acute Care Hospitals · New Lenox, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91030 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.
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.
SOUTH PASADENA, CA 91030
SOUTH PASADENA, CA 91030
SOUTH PASADENA, CA 91030
SOUTH PASADENA, CA 91030
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 Tan's NPI number?
The NPI number for Mark Tan is 1578658266. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is Mark Tan located?
Mark Tan practices at 209 Fair Oaks Ave, South Pasadena, CA 91030. The listed phone number is (626) 396-2900.
What is Mark Tan's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Ophthalmic Plastic and Reconstructive Surgery, with taxonomy code 207WX0200X.
Is Mark Tan enrolled in Medicare?
Yes. Mark Tan 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.
Is Mark Tan affiliated with any hospitals?
According to CMS data, Mark Tan is affiliated with The University Of Chicago Medical Center, Ingalls Memorial Hospital and Silver Cross Hospital And Medical Centers.
When was this NPI record last updated?
The NPPES record for Mark Tan was last updated on November 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Mark Tan, M.D. · NPI 1578658266
Ophthalmic Plastic and Reconstructive Surgery physician in South Pasadena, California. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1578658266 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Ophthalmology - Ophthalmic Plastic and Reconstructive Surgery · taxonomy 207WX0200X
- **State license:** A94624 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 209 FAIR OAKS AVE, South Pasadena, CA 91030-1814
- **Phone:** (626) 396-2900
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Northwestern University Feinberg Medical School, class of 1994
## Record status
- **NPPES last updated:** November 13, 2020
- **Other identifiers:** Medicaid 00A946240 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1578658266) · Data from the CMS NPPES public registry.