DR. ARUN P. WIITA M.D., PH.D.
NPI 1760718944
Pathology - Clinical Pathology in San Francisco, CA

Q: What is Arun Wiita's NPI number?

The NPI number for Arun Wiita is 1760718944. It was assigned to this individual provider in the NPPES registry on October 23, 2009.

Q: What is Arun Wiita's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology, with taxonomy code 207ZC0006X.

Q: When was this NPI record last updated?

The NPPES record for Arun Wiita was last updated on January 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since October 23, 2009PECOS Enrolled

185 BERRY ST, CHINA BASIN UCSF LAB. MEDICINE BOX 0506, SAN FRANCISCO, CA 94107(415) 353-1469 Get Directions Write a Review

NPPES record last updated: January 4, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Arun P. Wiita M.d., Ph.d. NPPES

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

DR. ARUN P. WIITA M.D., PH.D. (NPI 1760718944) is an individual clinical pathology provider in San Francisco, California, licensed in California (A115177) and active in the NPI registry since October 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760718944

Entity TypeIndividualMale

Primary Taxonomy207ZC0006X

Provider Legal NameDR. ARUN P. WIITACredential: M.D., PH.D.

Location Address185 BERRY ST, CHINA BASIN UCSF LAB. MEDICINE BOX 0506San Francisco, CA 94107-5705

Mailing AddressBox 0506, China Basin 1000, Ucsf Laboratory Medicine, 185 Berry St.San Francisco, CA 94143 · (415) 353-1469

Phone(415) 353-1469

Sole ProprietorNo

Enumeration DateOctober 23, 2009

Last NPPES UpdateJanuary 4, 2018

✔ NPI 1760718944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZC0006X

License✔ Licensed in CA · A115177

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

185 BERRY ST, San Francisco, CA 94107

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Arun P. Wiita M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Medicare enrollment records show Arun Wiita reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco

3.8 mi

Surgery

400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
5,645 clinicians in this Medicare group

NPI 1346329380 (415) 353-2161

Ucsf Medical Group Business Services

3.8 mi

Internal Medicine

400 PARNASSUS AVE
San Francisco, CA 94122

Reassigned Medicare billing, California enrollment
5,544 clinicians in this Medicare group

NPI 1477624104 (415) 353-2808

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 94107 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

TAB TOOCHINDA M.D.

Student in an Organized Health Care Education/Training Program

185 BERRY ST, SUITE 100
SAN FRANCISCO, CA 94107

San Francisco County (415) 353-7359

DR. JUSTIN LE REN MD

Family Medicine

185 BERRY ST, LOBBY 1, SUITE 1000
SAN FRANCISCO, CA 94107

San Francisco County (714) 743-9622

DIGNITY HEALTH

General Acute Care Hospital

185 BERRY ST, SUITE 300
SAN FRANCISCO, CA 94107

San Francisco County (858) 275-8112

DR. WILLIAM J. KARLON M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

185 BERRY ST
SAN FRANCISCO, CA 94107

San Francisco County (415) 353-4721

SCOTT SHERR MD PC

Clinic/Center (Medical Specialty)

185 BERRY ST, SUITE 4801
SAN FRANCISCO, CA 94107

San Francisco County (415) 513-5813

SIMONE ARVISAIS-ANHALT M.D.

Student in an Organized Health Care Education/Training Program

185 BERRY ST
SAN FRANCISCO, CA 94107

San Francisco County (415) 353-1667

CHAE MOON HONG

Student in an Organized Health Care Education/Training Program

185 BERRY ST
SAN FRANCISCO, CA 94107

San Francisco County (415) 353-9888

SARAH E UMETSU M.D.

Pathology (Anatomic Pathology)

185 BERRY ST, SUITE 100
SAN FRANCISCO, CA 94107

San Francisco County (415) 353-7359

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 Arun Wiita's NPI number?

The NPI number for Arun Wiita is 1760718944. It was assigned to this individual provider in the NPPES registry on October 23, 2009.

Where is Arun Wiita located?

Arun Wiita practices at 185 Berry St China Basin Ucsf Lab. Medicine Box 0506, San Francisco, CA 94107. The listed phone number is (415) 353-1469.

What is Arun Wiita's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology, with taxonomy code 207ZC0006X.

Is Arun Wiita enrolled in Medicare?

Yes. Arun Wiita is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Arun Wiita's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arun Wiita reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). 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 Arun Wiita'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 Arun Wiita was last updated on January 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.