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DR. DIEGO MENDEZ M.D.
NPI 1437181922
Obstetrics & Gynecology in San Diego, CA

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment
85.73/100
CMS Quality Rating
4282 GENESEE AVE STE 201, SAN DIEGO, CA 92117(858) 268-0300(877) 409-7359 Get Directions Write a Review

NPPES record last updated: April 14, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 14, 2021, Jan 18, 2016 (2 updates tracked since 2016).

About Dr. Diego Mendez M.d. NPPES

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

DR. DIEGO MENDEZ M.D. (NPI 1437181922) is an individual obstetrics & gynecology provider in San Diego, California, licensed in California (A47906) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1437181922
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. DIEGO MENDEZCredential: M.D.
Location Address4282 GENESEE AVE STE 201San Diego, CA 92117-4964
Mailing Address4282 Genesee Ave Ste 201San Diego, CA 92117-4964 · (858) 268-0300 · Fax (877) 409-7359
Phone(858) 268-0300
Fax(877) 409-7359
Sole ProprietorYes
Medical School CMSOtherGraduated 1982
Enumeration DateJuly 7, 2006
Last NPPES UpdateApril 14, 20212 updates tracked since enumeration
NPPES CertifiedApril 14, 2021
✔ NPI 1437181922 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A47906
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedPediatricsTaxonomy 208000000X · License A47906 (CA)
Also ListedGeneral PracticeTaxonomy 208D00000X · License A47906 (CA)
4282 GENESEE AVE STE 201, San Diego, CA 92117
Open in Google Maps ↗

Other Identifiers 2

Medicaid00A479061CA
Medicaid00A479060CA

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. Diego Mendez 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.

PECOS PAC ID7911803804
PECOS Enrollment IDI20031212000580
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Diego Mendez reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency And Acute Care Medical Corporation
2.2 mi
Emergency Medicine
7901 FROST ST
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 1,437 clinicians in this Medicare group
NPI 1437103942 (858) 939-3400
Centro De Salud De La Comunidad De San Ysidro,inc
5.0 mi
Federally Qualified Health Center (FQHC)
550 WASHINGTON ST STE 331
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 577 clinicians in this Medicare group
NPI 1962177873 (619) 662-4100
Kern County Hospital Authority
204 mi
General Acute Care Hospital
1700 MOUNT VERNON AVENUE
Bakersfield, CA 93306
  • Reassigned Medicare billing, California enrollment
  • 532 clinicians in this Medicare group
NPI 1376623538 (661) 326-2000
Obhg California, P.C.
1,998 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 clinicians in this Medicare group
NPI 1215258892 (800) 967-2289

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92117 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

85.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality65.76
Promoting Interoperability100
Improvement Activities40
Cost59.39

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JACKLYNNE PHAN
Physician Assistant
4282 GENESEE AVE STE 201
SAN DIEGO, CA 92117
San Diego County (858) 746-7882

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 Diego Mendez's NPI number?

The NPI number for Diego Mendez is 1437181922. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Diego Mendez located?

Diego Mendez practices at 4282 Genesee Ave Ste 201, San Diego, CA 92117. The listed phone number is (858) 268-0300.

What is Diego Mendez's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Diego Mendez enrolled in Medicare?

Yes. Diego Mendez 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 Diego Mendez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diego Mendez reassigns Medicare benefits to 4 organizations: Emergency And Acute Care Medical Corporation (San Diego, CA), Centro De Salud De La Comunidad De San Ysidro,inc (San Diego, CA), Kern County Hospital Authority (Bakersfield, CA) and Obhg California, P.C. (Greenville, SC). 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 Diego Mendez'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 Diego Mendez was last updated on April 14, 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.