TEJ KISHOR NAIK M.D.
NPI 1801920806
Internal Medicine - Pulmonary Disease in Fontana, CA
About Tej Kishor Naik M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TEJ KISHOR NAIK M.D. (NPI 1801920806) is an individual pulmonary disease provider in Fontana, California, licensed in California (A88604) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses 2
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
Tej Kishor Naik 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.
Medicare Billing Reassignment
Medicare enrollment records show Tej Naik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 5,228 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92335 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FONTANA, CA 92335
FONTANA, CA 92335
FONTANA, CA 92335
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 Tej Naik's NPI number?
The NPI number for Tej Naik is 1801920806. It was assigned to this individual provider in the NPPES registry on March 14, 2007.
Where is Tej Naik located?
Tej Naik practices at 9985 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-5744.
What is Tej Naik's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Tej Naik enrolled in Medicare?
Yes. Tej Naik 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 Tej Naik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tej Naik reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, CA). 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 Tej Naik'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 Tej Naik was last updated on November 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Tej Kishor Naik, M.D. · NPI 1801920806
Pulmonary Disease physician in Fontana, California. Individual provider, active in the CMS NPPES registry since March 14, 2007.
## Identity
- **NPI:** 1801920806 (Entity type: Individual)
- **Enumerated:** March 14, 2007
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** A88604 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9985 SIERRA AVE, Fontana, CA 92335-6720
- **Phone:** (909) 427-5744
## 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:** Southern California Permanente Medical Group (NPI 1689606196, Fontana, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** November 23, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1801920806) · Data from the CMS NPPES public registry.