DR. SUKHBIR SINGH D.O.
NPI 1184063299
Internal Medicine in Napa, CA
About Dr. Sukhbir Singh D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUKHBIR SINGH D.O. (NPI 1184063299) is an individual internal medicine provider in Napa, California, licensed in California (20A14254) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Dr. Sukhbir Singh D.o. 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
7Medicare enrollment records show Sukhbir Singh reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Napa, CA 94558
- Reassigned Medicare billing, California enrollment
- 755 clinicians in this Medicare group
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 213 clinicians in this Medicare group
Mountain View, CA 94040
- Reassigned Medicare billing, California enrollment
- 217 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 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 94558 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.
NAPA, CA 94558
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 Sukhbir Singh's NPI number?
The NPI number for Sukhbir Singh is 1184063299. It was assigned to this individual provider in the NPPES registry on June 21, 2013.
Where is Sukhbir Singh located?
Sukhbir Singh practices at 2100 Napa Vallejo Hwy, Napa, CA 94558. The listed phone number is (707) 253-5000.
What is Sukhbir Singh's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sukhbir Singh enrolled in Medicare?
Yes. Sukhbir Singh 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 Sukhbir Singh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sukhbir Singh reassigns Medicare benefits to 7 organizations: Department Of State Hospitals (Napa, CA), John Muir Physician Network (Walnut Creek, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA), Sutter Bay Medical Foundation (Orinda, CA), Pacific Inpatient Medical Group (San Francisco, CA) and 2 more organizations, listed in the Medicare section above. 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 Sukhbir Singh'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 Sukhbir Singh was last updated on December 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Sukhbir Singh, D.O. · NPI 1184063299
Internal Medicine physician in Napa, California. Individual provider, active in the CMS NPPES registry since June 21, 2013.
## Identity
- **NPI:** 1184063299 (Entity type: Individual)
- **Enumerated:** June 21, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20A14254 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2100 NAPA VALLEJO HWY, Napa, CA 94558-6293
- **Phone:** (707) 253-5000 · **Fax:** (925) 947-3396
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Department Of State Hospitals (NPI 1326098161, Napa, CA); John Muir Physician Network (NPI 1841407665, Walnut Creek, CA); John Muir Trauma Physicians Billing Service (NPI 1962551861, Walnut Creek, CA); Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Pacific Inpatient Medical Group (NPI 1447447248, San Francisco, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** December 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1184063299) · Data from the CMS NPPES public registry.