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CAIMA
NPI 1881646909
Radiology - Diagnostic Radiology in San Francisco, CA

Active since May 17, 2006
1101 VAN NESS AVE, SAN FRANCISCO, CA 94109(415) 600-6000 Get Directions Write a Review

NPPES record last updated: August 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 22, 2024, Apr 29, 2024, Apr 24, 2024 and 8 more (11 updates tracked since 2018).

About Caima NPPES

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

CAIMA (NPI 1881646909) is a healthcare organization registered as a diagnostic radiology in San Francisco, California and active in the NPI registry since May 2006. The organization maintains 31 additional practice locations and lists Avanti Ambekar, President, as its authorized official.

NPPES Registry Identity

NPI1881646909
Entity TypeOrganization
Primary Taxonomy2085R0202X
Legal Business NameCALIFORNIA ADVANCED IMAGING MEDICAL ASSOCIATES INC
Location Address1101 VAN NESS AVESan Francisco, CA 94109-6919
Mailing AddressPo Box 6102Novato, CA 94948-6102 · (415) 884-3404
Phone(415) 600-6000
Organization SubpartNo
Authorized OfficialAvanti AmbekarPresident · (415) 308-4890
Enumeration DateMay 17, 2006
Last NPPES UpdateAugust 22, 202411 updates tracked since enumeration
NPPES CertifiedAugust 22, 2024
✔ NPI 1881646909 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X
Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X
1101 VAN NESS AVE, San Francisco, CA 94109
Open in Google Maps ↗

Other Names 1

Other NameCaima

Secondary Practice Locations 31

Location 1519 21st AveSan Francisco, CA 94121-3132 · Phone (415) 464-8081
Location 21147 Ragatz LnNapa, CA 94558-9764 · Phone (415) 464-8081
Location 31720 El Camino Real Ste 118Burlingame, CA 94010-3225 · Phone (650) 696-7850 · Fax (650) 696-3677
Location 4Castro & Duboce Streets, North Tower, Level ASan Francisco, CA 94117 · Phone (415) 600-6180 · Fax (415) 436-9160
Location 5100 S San Mateo DrSan Mateo, CA 94401-3867 · Phone (650) 696-4515 · Fax (650) 696-4637
Location 61501 Trousdale DrBurlingame, CA 94010-4506 · Phone (650) 696-5509 · Fax (650) 696-5995
Location 7180 Rowland WayNovato, CA 94945-5009 · Phone (415) 209-1500 · Fax (415) 209-1501
Location 8347 Andrieux StSonoma, CA 95476-6863 · Phone (707) 935-5020 · Fax (707) 935-5438
Location 923004 Whispering WoodsGolden, CO 80401-8038 · Phone (415) 464-8081
Location 102655 Bush St Apt 229San Francisco, CA 94115-3054 · Phone (415) 925-7000
Location 115176 Hill Rd ELakeport, CA 95453-6300 · Phone (707) 262-5000 · Fax (415) 209-1502
Location 122333 Buchanan St Fl 2San Francisco, CA 94115-1925 · Phone (415) 600-6455 · Fax (415) 600-2870
Location 133555 Cesar ChavezSan Francisco, CA 94110-4403 · Phone (415) 641-6545 · Fax (415) 865-4175
Location 142808 S 143rd PlzOmaha, NE 68144-5611 · Phone (402) 609-1800 · Fax (402) 637-0772
Location 151260 S Eliseo DrGreenbrae, CA 94904-2009 · Phone (415) 464-8080 · Fax (415) 883-0877
Location 162265 Westlake DrKelseyville, CA 95451-7054 · Phone (707) 262-5000
Location 17338 Karen WayBelvedere Tiburon, CA 94920-2047 · Phone (415) 925-7000
Location 1820 Gregg PlNovato, CA 94949-5431 · Phone (415) 925-7000
Location 19954 Ashbury StSan Francisco, CA 94117-4409 · Phone (415) 925-7000
Location 2014 Meadow Ridge DrCorte Madera, CA 94925-2074 · Phone (415) 925-7000
Location 2161 Sunnyside AveMill Valley, CA 94941-1924 · Phone (415) 925-7000
Location 22248 Granada DrCorte Madera, CA 94925-2010 · Phone (415) 925-7000
Location 231 Rivera StSan Anselmo, CA 94960-1472 · Phone (415) 925-7000
Location 2484 Platt AveSausalito, CA 94965-1896 · Phone (415) 464-8081
Location 251509 S 182nd CirOmaha, NE 68130-2720 · Phone (415) 464-8081
Location 26863 Corriente Point DrRedwood City, CA 94065-1284 · Phone (415) 464-8081
Location 27487 Green Glen WayMill Valley, CA 94941-4018 · Phone (415) 464-8081
Location 281146 N Palo Loma PlOrange, CA 92869-1444 · Phone (415) 464-8081
Location 29115 Hoffman AveSan Francisco, CA 94114-3125 · Phone (415) 925-7000
Location 30681 Arguello Blvd Apt 5San Francisco, CA 94118-4037 · Phone (415) 464-8081
Location 312408 E 81st St Ste 300Tulsa, OK 74137-4215 · Phone (918) 477-5060

Other Identifiers 18

Other169891CA · Blueshield Of Ca
Medicaid801255754CA
Medicaid801255780CA
Medicaid101349561CA
Medicaid801255740CA
Medicaid801255778CA
Medicaid10025574200NE
Medicaid200745170AOK
Medicaid101206065CA
Medicaid801255747CA
Medicaid100338889CA
Medicaid801255782CA
Medicaid801255774CA
Medicaid1255530606IA
Medicaid800348694CA
Medicaid801255779CA
Other347104CA · Anthem Blue Cross
Other379577200CA · Department Of Labor

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Nebraska, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Caima is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

100

Medicare enrollment records show 100 clinicians reassign Medicare billing to Caima, which bills Medicare for the services they deliver. Of these, 15 practice at this address and 38 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Diagnostic Radiology91
Vascular Surgery4
Obstetrics/Gynecology2
Cardiovascular Disease (Cardiology)1
Critical Care (Intensivists)1
General Practice1

Nearest to this location (20)

See all 100
Hashem Al-Dujaili, MD
Diagnostic Radiology
NPI 1750062675
1101 VAN NESS AVE
San Francisco, CA 94109
(415) 600-0800
✔ PECOS✔ Accepts MedicareSame address
Jerome Barakos, M.D.
Diagnostic Radiology
NPI 1972558922
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Brian Bronzo, M.D.
Diagnostic Radiology
NPI 1497809990
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Michael Hope, MD
Diagnostic Radiology
NPI 1699805093
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Amy Huang, MD
Diagnostic Radiology
NPI 1639156326
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Arash Meshksar, M.D.
Diagnostic Radiology
NPI 1013258342
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Maya Meux, M.D.
Diagnostic Radiology
NPI 1962441394
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Olufoladare Olorunsola, M.D.
Diagnostic Radiology
NPI 1699002519
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Derk Purcell, M.D.
Diagnostic Radiology
NPI 1114047917
1101 VAN NESS AVE
San Francisco, CA 94109
(415) 600-0800
✔ PECOS✔ Accepts MedicareSame address
Max Wu, MD, PHD
Diagnostic Radiology
NPI 1538319090
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Chase Anderson, MD
Diagnostic Radiology
NPI 1609338185
1101 VAN NESS AVE
San Francisco, CA 94109
(415) 600-6000
✔ PECOS✔ Accepts MedicareSame address
Courtney Lawhn Heath, MD
Diagnostic Radiology
NPI 1619388378
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Kevin Oh, MD
Diagnostic Radiology
NPI 1669009221
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Minerva Zhou, MD
General Practice
NPI 1619504644
1101 VAN NESS AVE FL 3
San Francisco, CA 94109
(415) 600-3232
✔ PECOS✔ Accepts MedicareSame address
Steven Blumlein, MD
Cardiovascular Disease (Cardiology)
NPI 1568473361
1100 VAN NESS AVE FL 5
San Francisco, CA 94109
(415) 537-8600
✔ PECOS✔ Accepts MedicareSame address
Michael Hong, MD
Vascular Surgery
NPI 1336342369
1 DANIEL BURNHAM CT
San Francisco, CA 94109
(415) 221-7056
✔ PECOS✔ Accepts Medicare0.1 mi
Marc Levine, M.D.
Vascular Surgery
NPI 1801974332
1 DANIEL BURNHAM CT
San Francisco, CA 94109
(415) 221-7056
✔ PECOS✔ Accepts Medicare0.1 mi
John Bokelman, M.D.
Diagnostic Radiology
NPI 1689655730
2333 BUCHANAN ST FL 2
San Francisco, CA 94115
(415) 600-6455
✔ PECOS✔ Accepts Medicare0.6 mi
M Fry, M.D.
Diagnostic Radiology
NPI 1972545184
2333 BUCHANAN ST FL 2
San Francisco, CA 94115
(415) 600-6455
✔ PECOS✔ Accepts Medicare0.6 mi
James Hershon, MD
Critical Care (Intensivists)
NPI 1508940305
2351 CLAY ST # 501
San Francisco, CA 94115
(415) 923-3421
✔ PECOS✔ Accepts Medicare0.6 mi
See all 100 clinicians

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 California Advanced Imaging Medical Associates Inc's NPI number?

The NPI number for California Advanced Imaging Medical Associates Inc is 1881646909. It was assigned to this organization in the NPPES registry on May 17, 2006. The provider is also known as Caima.

Where is California Advanced Imaging Medical Associates Inc located?

California Advanced Imaging Medical Associates Inc is located at 1101 Van Ness Ave, San Francisco, CA 94109. The listed phone number is (415) 600-6000.

What is California Advanced Imaging Medical Associates Inc's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is California Advanced Imaging Medical Associates Inc enrolled in Medicare?

Yes. California Advanced Imaging Medical Associates Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through California Advanced Imaging Medical Associates Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 100 clinicians in 6 Medicare specialties reassign their Medicare billing to California Advanced Imaging Medical Associates 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 Diagnostic Radiology (91), Vascular Surgery (4) and Obstetrics/Gynecology (2). Of these, 15 practice at this address and 38 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does California Advanced Imaging Medical Associates Inc accept?

Health plans from Blue Cross and Blue Shield of Nebraska and UnitedHealthcare list California Advanced Imaging Medical Associates Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for California Advanced Imaging Medical Associates Inc was last updated on August 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.