1. Home
  2. Directory
  3. California
  4. Vallejo
  5. Emergency Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NOUMI CHOWDHURY MD
NPI 1316680440
Emergency Medicine in Vallejo, CA

Active since April 17, 2022PECOS Enrolled
975 SERENO DR, VALLEJO, CA 94589(707) 651-1000 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 3, 2026, Apr 17, 2022 (2 updates tracked since 2022).

About Dr. Noumi Chowdhury Md NPPES

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

DR. NOUMI CHOWDHURY MD (NPI 1316680440) is an individual emergency medicine provider in Vallejo, California, licensed in California (A207728) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in Vacaville.

NPPES Registry Identity

NPI1316680440
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. NOUMI CHOWDHURYCredential: MD
Location Address975 SERENO DRVallejo, CA 94589-2441
Mailing Address975 Sereno DrVallejo, CA 94589-2441 · (707) 651-1000
Phone(707) 651-1000
Sole ProprietorNo
Enumeration DateApril 17, 2022
Last NPPES UpdateAugust 3, 20262 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1316680440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A207728
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
975 SERENO DR, Vallejo, CA 94589
Open in Google Maps ↗

Secondary Practice Location 1

Location 11 Quality DrVacaville, CA 95688-9494 · Phone (707) 624-4000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Noumi Chowdhury Md 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 94589 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
$98.85 typical visit price
range $65.02 – $191.95
Typical copayment $24.71 (range $16.25 – $47.98)
Most-billed visit code 99203
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
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.

DR. ROBERTA YIWUN WANG M.D.
Physical Medicine & Rehabilitation
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-5128
RIHONG ZHOU
Pharmacist
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-2072
EVAN HIRSCHBEIN
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 339-2074
MS. JEAN BROADNAX LCSW
Social Worker (Clinical)
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-4423
SEAN NISAM
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-4071
LI M. TSANG MD
Anesthesiology
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000
DONN R. ERICKSON MD
Family Medicine
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000
JOHN S. WOOD MD
Surgery
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000

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 Noumi Chowdhury's NPI number?

The NPI number for Noumi Chowdhury is 1316680440. It was assigned to this individual provider in the NPPES registry on April 17, 2022.

Where is Noumi Chowdhury located?

Noumi Chowdhury practices at 975 Sereno Dr, Vallejo, CA 94589. The listed phone number is (707) 651-1000.

What is Noumi Chowdhury's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Noumi Chowdhury enrolled in Medicare?

Yes. Noumi Chowdhury is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Noumi Chowdhury was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.