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GRAYBILL MEDICAL GROUP INC
NPI 1891729745
Family Medicine in Escondido, CA

Active since July 10, 2006CLIA Certified · 7 labs
225 E 2ND AVE, ESCONDIDO, CA 92025(760) 291-6700(760) 737-7324 Get Directions Write a Review

NPPES record last updated: December 13, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 13, 2024, Nov 19, 2024, Nov 11, 2024 and 3 more (6 updates tracked since 2018).

About Graybill Medical Group Inc NPPES

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

GRAYBILL MEDICAL GROUP INC (NPI 1891729745) is a healthcare organization registered as a family medicine in Escondido, California and active in the NPI registry since July 2006. The organization holds 7 active CLIA laboratory certificates, maintains 9 additional practice locations, and lists Alejandro Paz, President, as its authorized official.

NPPES Registry Identity

NPI1891729745
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameGRAYBILL MEDICAL GROUP INC
Location Address225 E 2ND AVEEscondido, CA 92025-4249
Mailing Address225 E 2nd AveEscondido, CA 92025-4212 · (760) 273-7920 · Fax (760) 737-7324
Phone(760) 291-6700
Fax(760) 737-7324
Organization SubpartNo
Authorized OfficialAlejandro PazPresident · (760) 273-7920
Enumeration DateJuly 10, 2006
Last NPPES UpdateDecember 13, 20246 updates tracked since enumeration
NPPES CertifiedDecember 13, 2024
✔ NPI 1891729745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 8

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedFamily Medicine · Sports MedicineTaxonomy 207QS0010X
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedOtolaryngologyTaxonomy 207Y00000X
Also ListedPediatricsTaxonomy 208000000X
Also ListedSurgeryTaxonomy 208600000X
225 E 2ND AVE, Escondido, CA 92025
Open in Google Maps ↗

Secondary Practice Locations 9

Location 13142 Vista Way Ste 100Oceanside, CA 92056-3627 · Phone (760) 291-6700 · Fax (760) 754-3859
Location 231795 Rancho California Rd Ste B-700Temecula, CA 92591-2993 · Phone (760) 291-6700 · Fax (951) 294-9039
Location 3306 W El Norte Pkwy Ste SEscondido, CA 92026-1960 · Phone (760) 291-6700 · Fax (760) 746-5313
Location 4326 S Melrose Dr Ste 200Vista, CA 92081-6682 · Phone (760) 291-6700 · Fax (760) 330-9331
Location 5277 Rancheros Dr Ste 100San Marcos, CA 92069-2959 · Phone (760) 291-6700 · Fax (760) 471-0513
Location 61035 S Main AveFallbrook, CA 92028-3338 · Phone (760) 291-6700 · Fax (760) 728-9732
Location 71955 Citracado Pkwy Ste 200Escondido, CA 92029-4112 · Phone (760) 291-6700 · Fax (760) 291-6978
Location 81955 Citracado Pkwy Ste 302Escondido, CA 92029-4113 · Phone (760) 291-6700 · Fax (760) 291-6862
Location 925405 Hancock Ave Ste 202Murrieta, CA 92562-5978 · Phone (760) 291-6700 · Fax (951) 405-4571

Other Identifiers 2

MedicaidGR0092120CA
OtherCC8365CA · Medicare Rail Road

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

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

Clinicians Billing Medicare Through This Organization

109

Medicare enrollment records show 109 clinicians reassign Medicare billing to Graybill Medical Group Inc, which bills Medicare for the services they deliver. Of these, 36 practice at this address and 60 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 13

Family Practice39
Internal Medicine28
Nurse Practitioner21
Hospitalist7
Qualified Audiologist3
Cardiovascular Disease (Cardiology)2
General Surgery2
Otolaryngology2
5 other specialties5

Nearest to this location (20)

See all 109
Sarina Adhikary Sharma, MD
Family Practice
NPI 1134377633
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Kandan Baban, D.O.
Cardiovascular Disease (Cardiology)
NPI 1285954941
225 E 2ND AVE STE 260
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Bethany Bartlett, M.D.
Family Practice
NPI 1053761403
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
David Borecky, M.D.
Family Practice
NPI 1679591705
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Jared Brummel, D.O.
Orthopedic Surgery
NPI 1225265101
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Kevin Cleary
Hospitalist
NPI 1922627827
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Alex Crotteau, FNP
Nurse Practitioner
NPI 1063925386
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Loan Dao, MD
Family Practice
NPI 1063670966
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Rhyl Ann Faeldonea Seruelo, M.D.
Family Practice
NPI 1013177906
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Juan Carlos Franco, M.D.
Internal Medicine
NPI 1437357852
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Mark Haberman, M.D.
Internal Medicine
NPI 1497780563
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Lara Le, MD
Internal Medicine
NPI 1043239841
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Richard Mallo, MD
Internal Medicine
NPI 1588699490
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
George Rodriguez, M.D.
Internal Medicine
NPI 1114946753
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Saurabh Shah, MD
Otolaryngology
NPI 1790717957
225 E 2ND AVE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Amanda Ahmadi, NP
Nurse Practitioner
NPI 1639889983
225 EAST SECOND AVENUE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Mohamad Ahmadi
Nurse Practitioner
NPI 1992207062
225 EAST SECOND AVENUE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Jose Mari Atangan, FNP-C
Nurse Practitioner
NPI 1427611656
225 EAST SECOND AVENUE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Maricel Nguyen, MSN, APRN, FNP-C
Nurse Practitioner
NPI 1174292874
225 EAST SECOND AVENUE
Escondido, CA 92025
(760) 291-6700
✔ PECOS✔ Accepts MedicareSame address
Paul Polishuk, M.D.
Urology
NPI 1487648754
225 EAST SECOND AVENUE
Escondido, CA 92025
(760) 291-6606
✔ PECOS✔ Accepts MedicareSame address
See all 109 clinicians

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

CLIA Laboratory Certificates CMS CLIA 7

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0990328

Graybill Medical Group · Temecula, CA
Active · expires Apr 14, 2028
CLIA Number05D0990328
Laboratory TypePhysician Office
Certificate Effective DateApril 15, 2026
Certificate Expiration DateApril 14, 2028
Laboratory DirectorJordan Price
Laboratory Phone(760) 291-6700
Laboratory LocationGraybill Medical Group31795 Rancho California Rd, Temecula, CA 92591
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D0899428

Graybill Medical Group · Oceanside, CA
Active · expires Apr 2, 2027
CLIA Number05D0899428
Laboratory TypePhysician Office
Certificate Effective DateApril 3, 2025
Certificate Expiration DateApril 2, 2027
Laboratory DirectorLinden J. Burzell
Laboratory Phone(760) 291-6700
Laboratory LocationGraybill Medical Group3142 Vista Way, Suite 100, Oceanside, CA 92056
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D0723486

Graybill Medical Group · Escondido, CA
Active · expires Jan 31, 2027
CLIA Number05D0723486
Laboratory TypePhysician Office
Certificate Effective DateFebruary 1, 2025
Certificate Expiration DateJanuary 31, 2027
Laboratory DirectorAnna Rita Foraci, Do
Laboratory Phone(760) 291-6700
Laboratory LocationGraybill Medical Group306 West El Norte Parkway, Ste S, Escondido, CA 92026
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D0568624

Graybill Medical Group · San Marcos, CA
Active · expires Jan 23, 2027
CLIA Number05D0568624
Laboratory TypePhysician Office
Certificate Effective DateJanuary 24, 2025
Certificate Expiration DateJanuary 23, 2027
Laboratory DirectorDr. Isela Penunuri
Laboratory Phone(760) 291-6700
Laboratory LocationGraybill Medical Group277 Rancheros Dr Ste 100, San Marcos, CA 92069
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2159439

Graybill Medical Group · Murrieta, CA
Active · expires Dec 17, 2026
CLIA Number05D2159439
Laboratory TypePhysician Office
Certificate Effective DateDecember 18, 2024
Certificate Expiration DateDecember 17, 2026
Laboratory DirectorElisabete Sharp
Laboratory Phone(760) 291-6700
Laboratory LocationGraybill Medical Group25405 Hancock Ave Ste 202, Murrieta, CA 92562
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D0566875

Graybill Medical Group · Escondido, CA
Active · expires Dec 31, 2027
CLIA Number05D0566875
Laboratory TypePhysician Office
Certificate Effective DateJanuary 1, 2026
Certificate Expiration DateDecember 31, 2027
Laboratory DirectorVanessa Peters
Laboratory Phone(760) 291-6700
Laboratory LocationGraybill Medical Group225 E Second Ave, Escondido, CA 92025
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Graybill Medical Group Inc's NPI number?

The NPI number for Graybill Medical Group Inc is 1891729745. It was assigned to this organization in the NPPES registry on July 10, 2006.

Where is Graybill Medical Group Inc located?

Graybill Medical Group Inc is located at 225 E 2nd Ave, Escondido, CA 92025. The listed phone number is (760) 291-6700.

What is Graybill Medical Group Inc's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Graybill Medical Group Inc enrolled in Medicare?

Yes. Graybill Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Graybill Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 109 clinicians in 13 Medicare specialties reassign their Medicare billing to Graybill Medical Group Inc. 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 Family Practice (39), Internal Medicine (28) and Nurse Practitioner (21). Of these, 36 practice at this address and 60 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Graybill Medical Group Inc hold CLIA laboratory certificates?

Yes. 7 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Graybill Medical Group Inc was last updated on December 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.