GENARO MARTINEZ M.D.
NPI 1235157843
Internal Medicine in San Bernardino, CA
About Genaro Martinez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GENARO MARTINEZ M.D. (NPI 1235157843) is an individual internal medicine provider in San Bernardino, California, licensed in California (A68325) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 6
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
Genaro Martinez 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 Reassignments
6Medicare enrollment records show Genaro Martinez reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Corona, CA 92882
- Reassigned Medicare billing, California enrollment
- 42 clinicians in this Medicare group
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
Temecula, CA 92592
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
Temecula, CA 92592
- Reassigned Medicare billing, California enrollment
- 90 clinicians in this Medicare group
San Marcos, CA 92078
- Reassigned Medicare billing, California enrollment
- 14 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 5
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 92404 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN BERNARDINO, CA 92404
SAN BERNARDINO, CA 92404
SAN BERNARDINO, CA 92404
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 Genaro Martinez's NPI number?
The NPI number for Genaro Martinez is 1235157843. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Genaro Martinez located?
Genaro Martinez practices at 2101 N Waterman Ave, San Bernardino, CA 92404. The listed phone number is (909) 881-4520.
What is Genaro Martinez's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Genaro Martinez enrolled in Medicare?
Yes. Genaro Martinez 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 Genaro Martinez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Genaro Martinez reassigns Medicare benefits to 6 organizations: Inpatient Specialists Of California, PC (San Bernardino, CA), Corona Hospitalist Medical Group, Inc. (Corona, CA), Healthcare Crossing Corporation (Murrieta, CA), Innovative Medical Group (Temecula, CA), Temecula Valley Hospitalist Medical Group, Inc. (Temecula, CA) and 1 more organization, 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 Genaro Martinez'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 Genaro Martinez was last updated on January 9, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Genaro Martinez, M.D. · NPI 1235157843
Internal Medicine physician in San Bernardino, California. Individual provider, active in the CMS NPPES registry since July 18, 2006.
## Identity
- **NPI:** 1235157843 (Entity type: Individual)
- **Enumerated:** July 18, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A68325 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2101 N WATERMAN AVE, San Bernardino, CA 92404-4836
- **Phone:** (909) 881-4520 · **Fax:** (909) 881-4528
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); Corona Hospitalist Medical Group, Inc. (NPI 1477832871, Corona, CA); Healthcare Crossing Corporation (NPI 1518953298, Murrieta, CA); Innovative Medical Group (NPI 1003407735, Temecula, CA); Temecula Valley Hospitalist Medical Group, Inc. (NPI 1265874135, Temecula, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 1997
## Record status
- **NPPES last updated:** January 9, 2009
- **Other identifiers:** Medicare UPIN H37570 (CA); Medicare ID-Type Unspecified WA68325A (CA); Medicaid 1235157843 (CA); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1235157843) · Data from the CMS NPPES public registry.