DR. ADITHYA CATTAMANCHI MD
NPI 1336106871
Internal Medicine - Critical Care Medicine in Orange, CA
About Dr. Adithya Cattamanchi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADITHYA CATTAMANCHI MD (NPI 1336106871) is an individual critical care medicine provider in Orange, California, licensed in California (A90641) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of University Of California, San Francisco School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Adithya Cattamanchi 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 Reassignments
2Medicare enrollment records show Adithya Cattamanchi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 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 3
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 92868 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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Adithya Cattamanchi's NPI number?
The NPI number for Adithya Cattamanchi is 1336106871. It was assigned to this individual provider in the NPPES registry on April 27, 2006.
Where is Adithya Cattamanchi located?
Adithya Cattamanchi practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 880-7812.
What is Adithya Cattamanchi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Adithya Cattamanchi enrolled in Medicare?
Yes. Adithya Cattamanchi 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 organizations bill Medicare for Adithya Cattamanchi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adithya Cattamanchi reassigns Medicare benefits to 2 organizations: Uc Regents (Orange, CA) and University Of California Sfgh Medical Group (San Francisco, CA). Each 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 Adithya Cattamanchi'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 Adithya Cattamanchi was last updated on March 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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. Adithya Cattamanchi, MD · NPI 1336106871
Critical Care Medicine physician in Orange, California. Individual provider, active in the CMS NPPES registry since April 27, 2006.
## Identity
- **NPI:** 1336106871 (Entity type: Individual)
- **Enumerated:** April 27, 2006
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** A90641 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 880-7812
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Uc Regents (NPI 1003864174, Orange, CA); University Of California Sfgh Medical Group (NPI 1174598296, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** March 26, 2025
- **Other identifiers:** Other A90641 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1336106871) · Data from the CMS NPPES public registry.