1. Home
  2. Directory
  3. California
  4. Costa Mesa
  5. Family Medicine
  6. NPI Profile

JEFFREY FELGNER MD, P.C.
NPI 1730759754
Family Medicine - Geriatric Medicine in Costa Mesa, CA

Active since June 30, 2021
1998 ORANGE AVE, COSTA MESA, CA 92627(858) 735-6258 Get Directions Write a Review

NPPES record last updated: June 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Jeffrey Felgner Md, P.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY FELGNER MD, P.C. (NPI 1730759754) is a healthcare organization registered as a geriatric medicine in Costa Mesa, California and active in the NPI registry since June 2021. The organization lists Jeffrey Steven Felgner, Owner, as its authorized official.

NPPES Registry Identity

NPI1730759754
Entity TypeOrganization
Primary Taxonomy207QG0300X
Legal Business NameJEFFREY FELGNER MD, P.C.
Location Address1998 ORANGE AVECosta Mesa, CA 92627-2238
Mailing Address1998 Orange AveCosta Mesa, CA 92627-2238 · (858) 735-6258
Phone(858) 735-6258
Organization SubpartNo
Authorized OfficialJeffrey Steven FelgnerOwner · (858) 735-6258
Enumeration DateJune 30, 2021
NPPES CertifiedJune 30, 2021
✔ NPI 1730759754 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QG0300X
Definition
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.
1998 ORANGE AVE, Costa Mesa, CA 92627
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jeffrey Felgner Md, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by October 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20210930000161Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Jeffrey Felgner MD, P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Jeffrey Felgner, M.D.
Family Practice
NPI 1790122497
1998 ORANGE AVE
Costa Mesa, CA 92627
(858) 735-6258
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Jeffrey Felgner MD, P.C.'s NPI number?

The NPI number for Jeffrey Felgner MD, P.C. is 1730759754. It was assigned to this organization in the NPPES registry on June 30, 2021.

Where is Jeffrey Felgner MD, P.C. located?

Jeffrey Felgner MD, P.C. is located at 1998 Orange Ave, Costa Mesa, CA 92627. The listed phone number is (858) 735-6258.

What is Jeffrey Felgner MD, P.C.'s specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Is Jeffrey Felgner MD, P.C. enrolled in Medicare?

Yes. Jeffrey Felgner MD, P.C. is registered in the Medicare PECOS enrollment system.

When is Jeffrey Felgner MD, P.C.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Jeffrey Felgner MD, P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Jeffrey Felgner MD, P.C.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Jeffrey Felgner MD, P.C. was last updated on June 30, 2021. 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.