DOCTORS OFFICE & WALK IN CLINIC CA INC
NPI 1922494681
General Practice in San Diego, CA

Q: What is Doctors Office & Walk In Clinic Ca Inc's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Active since April 09, 2015

3863 CLAIREMONT DR, SAN DIEGO, CA 92117(858) 483-5570(858) 483-5572 Get Directions Write a Review

NPPES record last updated: November 17, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 17, 2025, Nov 3, 2025, Apr 3, 2023 (3 updates tracked since 2023).

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About Doctors Office & Walk In Clinic Ca Inc NPPES

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

DOCTORS OFFICE & WALK IN CLINIC CA INC (NPI 1922494681), doing business as Morteza Mirkarimi M.d., Inc., is a healthcare organization registered as a general practice in San Diego, California and active in the NPI registry since April 2015. The organization lists Joshan K Shajan, Owner, as its authorized official.

NPPES Registry Identity

NPI1922494681

Entity TypeOrganization

Primary Taxonomy208D00000X

Legal Business NameDOCTORS OFFICE & WALK IN CLINIC CA INC

Location Address3863 CLAIREMONT DRSan Diego, CA 92117-5831

Mailing Address3863 Clairemont DrSan Diego, CA 92117-5831 · (858) 483-5570 · Fax (858) 483-5572

Phone(858) 483-5570

Fax(858) 483-5572

Organization SubpartNo

Authorized OfficialJoshan K ShajanOwner · (646) 652-1791

Enumeration DateApril 9, 2015

Last NPPES UpdateNovember 17, 20253 updates tracked since enumeration

NPPES CertifiedNovember 17, 2025

✔ NPI 1922494681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians

Taxonomy Code208D00000X

License✔ Licensed in CA · A39662

Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

3863 CLAIREMONT DR, San Diego, CA 92117

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Other Names 1

Former Legal Business NameMorteza Mirkarimi M.d., Inc.

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 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)

Doctors Office & Walk In Clinic Ca Inc 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 Doctors Office & Walk In Clinic Ca Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Morteza Mirkarimi, MD

General Practice

NPI 1487757589

3863 CLAIREMONT DR
San Diego, CA 92117

(858) 483-5570

✔ PECOS✔ Accepts MedicareSame address

Sanjay Rajpara, MD

Internal Medicine

NPI 1225116130

230 PROSPECT PL STE 220
Coronado, CA 92118

(559) 593-6450

✔ PECOS✔ Accepts Medicare8.2 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 Doctors Office & Walk In Clinic Ca Inc's NPI number?

The NPI number for Doctors Office & Walk In Clinic Ca Inc is 1922494681. It was assigned to this organization in the NPPES registry on April 9, 2015. The provider was formerly known as Morteza Mirkarimi M.D., Inc..

Where is Doctors Office & Walk In Clinic Ca Inc located?

Doctors Office & Walk In Clinic Ca Inc is located at 3863 Clairemont Dr, San Diego, CA 92117. The listed phone number is (858) 483-5570.

What is Doctors Office & Walk In Clinic Ca Inc's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Doctors Office & Walk In Clinic Ca Inc enrolled in Medicare?

Yes. Doctors Office & Walk In Clinic Ca Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Doctors Office & Walk In Clinic Ca Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Doctors Office & Walk In Clinic Ca Inc, in General Practice and Internal Medicine. 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, 1 practice at this address and 2 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 Doctors Office & Walk In Clinic Ca Inc was last updated on November 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.