1. Home
  2. Directory
  3. California
  4. Bakersfield
  5. Internal Medicine
  6. NPI Profile

RHEUMATOLOGY SERVICES MEDICAL GROUP
NPI 1265783948
Internal Medicine - Rheumatology in Bakersfield, CA

Active since September 21, 2012
8329 BRIMHALL RD STE 801, BAKERSFIELD, CA 93312(661) 695-8385(661) 679-6801 Get Directions Write a Review

NPPES record last updated: September 27, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Rheumatology Services Medical Group NPPES

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

RHEUMATOLOGY SERVICES MEDICAL GROUP (NPI 1265783948) is a healthcare organization registered as a rheumatology in Bakersfield, California and active in the NPI registry since September 2012. The organization lists Martin Berry, Managing Partner, as its authorized official.

NPPES Registry Identity

NPI1265783948
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameRHEUMATOLOGY SERVICES MEDICAL GROUP
Location Address8329 BRIMHALL RD STE 801Bakersfield, CA 93312-2243
Mailing Address8329 Brimhall Rd Ste 101Bakersfield, CA 93312-2243 · (661) 695-8385 · Fax (661) 679-6801
Phone(661) 695-8385
Fax(661) 679-6801
Organization SubpartNo
Authorized OfficialMartin BerryManaging Partner · (661) 695-8385
Enumeration DateSeptember 21, 2012
Last NPPES UpdateSeptember 27, 2018
✔ NPI 1265783948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
Licenses✔ Licensed in CA · G29499✔ Licensed in CA · 20A11715
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
8329 BRIMHALL RD STE 801, Bakersfield, CA 93312
Open in Google Maps ↗

Other Identifiers 3

OtherGU585ACA · Medicare Ptan
Medicaid0101340CA
OtherDT5405CA · Medicare Railroad

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 MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rheumatology Services Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to Rheumatology Services Medical Group, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (9)

Jeffrey Bacon, D.O.
Rheumatology
NPI 1548485816
8329 BRIMHALL RD SUITE 801
Bakersfield, CA 93312
(661) 695-8385
✔ PECOS✔ Accepts MedicareSame address
Clayton Blankenship, NP
Nurse Practitioner
NPI 1790178440
8329 BRIMHALL RD STE 801
Bakersfield, CA 93312
(661) 695-8385
✔ PECOS✔ Accepts MedicareSame address
Laura Levingston, FAMILY NURSE PRACTIT
Nurse Practitioner
NPI 1962022160
8329 BRIMHALL RD STE 801
Bakersfield, CA 93312
(661) 695-8385
✔ PECOS✔ Accepts MedicareSame address
Yi Li, M.D.
Rheumatology
NPI 1730525999
8329 BRIMHALL RD STE 801
Bakersfield, CA 93312
(661) 695-8385
✔ PECOS✔ Accepts MedicareSame address
Amy Shihady, FNP-C
Nurse Practitioner
NPI 1053116863
8329 BRIMHALL RD STE 801
Bakersfield, CA 93312
(661) 695-8385
✔ PECOS✔ Accepts MedicareSame address
Melody Recio, FNP-C
Nurse Practitioner
NPI 1518520311
1215 34TH ST
Bakersfield, CA 93301
(661) 663-4700
✔ PECOS✔ Accepts Medicare4.8 mi
Deneen Dicarlo, MD
Rheumatology
NPI 1497847198
77 CASA ST STE 101
San Luis Obispo, CA 93405
(661) 695-8385
✔ PECOS89 mi
Karen Kovalow-Stjohn, M.D.
Rheumatology
NPI 1336146281
77 CASA ST STE 101
San Luis Obispo, CA 93405
(661) 695-8385
✔ PECOS✔ Accepts Medicare89 mi
Courtney Ray, FNP-BC
Nurse Practitioner
NPI 1538932280
77 CASA ST
San Luis Obispo, CA 93405
(661) 695-8385
✔ PECOS✔ Accepts Medicare89 mi

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 Rheumatology Services Medical Group's NPI number?

The NPI number for Rheumatology Services Medical Group is 1265783948. It was assigned to this organization in the NPPES registry on September 21, 2012.

Where is Rheumatology Services Medical Group located?

Rheumatology Services Medical Group is located at 8329 Brimhall Rd Ste 801, Bakersfield, CA 93312. The listed phone number is (661) 695-8385.

What is Rheumatology Services Medical Group's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Rheumatology Services Medical Group enrolled in Medicare?

Yes. Rheumatology Services Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Rheumatology Services Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 2 Medicare specialties reassign their Medicare billing to Rheumatology Services Medical Group. 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. The largest specialties are Nurse Practitioner (5) and Rheumatology (4). Of these, 5 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Rheumatology Services Medical Group was last updated on September 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.