DR. JOHN PATRICK NELLIGAN III MD
NPI 1952491151
Orthopaedic Surgery in Sonora, CA
About Dr. John Patrick Nelligan Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN PATRICK NELLIGAN III MD (NPI 1952491151) is an individual orthopaedic surgery provider in Sonora, California, licensed in California (G52634) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (1982).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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. John Patrick Nelligan Iii 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 Reassignment
Medicare enrollment records show John Nelligan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1033100854 (California)
- 172 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 15
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 95370 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Nelligan's NPI number?
The NPI number for John Nelligan is 1952491151. It was assigned to this individual provider in the NPPES registry on October 16, 2006.
Where is John Nelligan located?
John Nelligan practices at 680 Guzzi Ln Ste 102, Sonora, CA 95370. The listed phone number is (209) 536-5780.
What is John Nelligan's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is John Nelligan enrolled in Medicare?
Yes. John Nelligan 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 John Nelligan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Nelligan reassigns Medicare benefits to Sonora Community Hospital (Sonora, 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 John Nelligan'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 John Nelligan was last updated on September 12, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. John Patrick Nelligan III, MD · NPI 1952491151
Orthopaedic Surgery physician in Sonora, California. Individual provider, active in the CMS NPPES registry since October 16, 2006.
## Identity
- **NPI:** 1952491151 (Entity type: Individual)
- **Enumerated:** October 16, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** G52634 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 680 GUZZI LN STE 102, Sonora, CA 95370-5288
- **Phone:** (209) 536-5780 · **Fax:** (209) 588-2760
## 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:** Sonora Community Hospital (NPI 1780673376, Sonora, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 1982
## Record status
- **NPPES last updated:** September 12, 2013
- **Other identifiers:** Medicare ID-Type Unspecified ZZZ02153Z (CA); Medicare UPIN A52307
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Source: [NPI Profile](https://npiprofile.com/npi/1952491151) · Data from the CMS NPPES public registry.