GREGORY P. RANCHES MD, APC
NPI 1891280228
Internal Medicine - Pulmonary Disease in San Diego, CA

Q: What is Gregory P. Ranches MD, Apc's NPI number?

The NPI number for Gregory P. Ranches MD, Apc is 1891280228. It was assigned to this organization in the NPPES registry on June 27, 2018.

Q: What is Gregory P. Ranches MD, Apc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Active since June 27, 2018

501 WASHINGTON ST STE 725, SAN DIEGO, CA 92103(619) 299-2570(619) 299-2216 Get Directions Write a Review

NPPES record last updated: October 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 7, 2023, Aug 3, 2018, Jun 27, 2018 (3 updates tracked since 2018).

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About Gregory P. Ranches Md, Apc NPPES

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

GREGORY P. RANCHES MD, APC (NPI 1891280228) is a healthcare organization registered as a pulmonary disease in San Diego, California and active in the NPI registry since June 2018. The organization lists Melissa Coronado, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1891280228

Entity TypeOrganization

Primary Taxonomy207RP1001X

Legal Business NameGREGORY P. RANCHES MD, APC

Location Address501 WASHINGTON ST STE 725San Diego, CA 92103-2241

Mailing Address501 Washington St Ste 725San Diego, CA 92103-2241 · (619) 299-2570 · Fax (619) 299-2216

Phone(619) 299-2570

Fax(619) 299-2216

Organization SubpartNo

Authorized OfficialMelissa CoronadoPractice Manager · (619) 819-7224

Enumeration DateJune 27, 2018

Last NPPES UpdateOctober 2, 20253 updates tracked since enumeration

NPPES CertifiedOctober 2, 2025

✔ NPI 1891280228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X

501 WASHINGTON ST STE 725, San Diego, CA 92103

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Other Identifiers 1

OtherA12392CA · Medical License

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)

Gregory P. Ranches Md, Apc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Gregory P. Ranches MD, Apc, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Jennifer Israel, D.O.

Pulmonary Disease

NPI 1821539180

501 WASHINGTON ST STE 725
San Diego, CA 92103

(619) 299-2570

✔ PECOS✔ Accepts MedicareSame address

Gregory Ranches, M.D.

Pulmonary Disease

NPI 1841589694

501 WASHINGTON ST STE 725
San Diego, CA 92103

(619) 299-2570

✔ 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 Gregory P. Ranches MD, Apc's NPI number?

The NPI number for Gregory P. Ranches MD, Apc is 1891280228. It was assigned to this organization in the NPPES registry on June 27, 2018.

Where is Gregory P. Ranches MD, Apc located?

Gregory P. Ranches MD, Apc is located at 501 Washington St Ste 725, San Diego, CA 92103. The listed phone number is (619) 299-2570.

What is Gregory P. Ranches MD, Apc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Gregory P. Ranches MD, Apc enrolled in Medicare?

Yes. Gregory P. Ranches MD, Apc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gregory P. Ranches MD, Apc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Pulmonary Disease, reassign their Medicare billing to Gregory P. Ranches MD, Apc. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gregory P. Ranches MD, Apc was last updated on October 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.