SOWMYA ARJA M.D.
NPI 1215390166
Internal Medicine - Allergy & Immunology in San Francisco, CA

Q: What is Sowmya Arja's NPI number?

The NPI number for Sowmya Arja is 1215390166. It was assigned to this individual provider in the NPPES registry on March 29, 2016.

Q: What is Sowmya Arja's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Q: When was this NPI record last updated?

The NPPES record for Sowmya Arja was last updated on January 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 March 29, 2016PECOS Enrolled

100/100

CMS Quality Rating

450 SUTTER ST STE 1139, SAN FRANCISCO, CA 94108(415) 362-2614(415) 362-2615 Get Directions Write a Review

NPPES record last updated: January 4, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 4, 2023, Jul 13, 2020, Mar 29, 2016 (3 updates tracked since 2016).

On this page

About Sowmya Arja M.d. NPPES

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

SOWMYA ARJA M.D. (NPI 1215390166) is an individual allergy & immunology provider in San Francisco, California, licensed in California (A167950) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215390166

Entity TypeIndividualFemale

Primary Taxonomy207RA0201X

Provider Legal NameSOWMYA ARJACredential: M.D.

Location Address450 SUTTER ST STE 1139San Francisco, CA 94108-4206

Mailing Address450 Sutter St Rm 933San Francisco, CA 94108-3997 · (415) 362-2614 · Fax (415) 362-2615

Phone(415) 362-2614

Fax(415) 362-2615

Sole ProprietorNo

Enumeration DateMarch 29, 2016

Last NPPES UpdateJanuary 4, 20233 updates tracked since enumeration

NPPES CertifiedJanuary 4, 2023

✔ NPI 1215390166 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207RA0201X

License✔ Licensed in CA · A167950

Definition

An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

450 SUTTER ST STE 1139, San Francisco, CA 94108

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sowmya Arja M.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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94108 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

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Improvement Activities

Other Providers at the Same Location NPPES

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

WYNDE LYNN VASTINE CCC-SLP

Speech-Language Pathologist

450 SUTTER ST STE 1139
SAN FRANCISCO, CA 94108

San Francisco County (415) 839-8669

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 Sowmya Arja's NPI number?

The NPI number for Sowmya Arja is 1215390166. It was assigned to this individual provider in the NPPES registry on March 29, 2016.

Where is Sowmya Arja located?

Sowmya Arja practices at 450 Sutter St Ste 1139, San Francisco, CA 94108. The listed phone number is (415) 362-2614.

What is Sowmya Arja's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is Sowmya Arja enrolled in Medicare?

Yes. Sowmya Arja is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sowmya Arja was last updated on January 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.