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OMAR S CHOWDHRY D.O.
NPI 1972735074
Anesthesiology in Santa Ana, CA

Active since August 22, 2009PECOS EnrolledAccepts Medicare Assignment
85.78/100
CMS Quality Rating
1001 N TUSTIN AVE, SANTA ANA, CA 92705(714) 953-3500 Get Directions Write a Review

NPPES record last updated: January 25, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 25, 2022, Jul 19, 2018 (2 updates tracked since 2018).

About Omar S Chowdhry D.o. NPPES

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

OMAR S CHOWDHRY D.O. (NPI 1972735074) is an individual anesthesiology provider in Santa Ana, California, licensed in California (20A11561) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fresno, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2009).

NPPES Registry Identity

NPI1972735074
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameOMAR S CHOWDHRYCredential: D.O.
Location Address1001 N TUSTIN AVESanta Ana, CA 92705-3502
Mailing Address150 W Civic Center Dr Ste 200Sandy, UT 84070-4284 · (888) 854-3822 · Fax (770) 701-6673
Phone(714) 953-3500
Sole ProprietorYes
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2009
Enumeration DateAugust 22, 2009
Last NPPES UpdateJanuary 25, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 25, 2022
✔ NPI 1972735074 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · 20A11561
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1001 N TUSTIN AVE, Santa Ana, CA 92705
Open in Google Maps ↗

Secondary Practice Location 1

Location 17417 N Cedar AveFresno, CA 93720-3637 · Phone (559) 436-0871 ext. 111 · Fax (559) 436-5221

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Omar S Chowdhry D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103066881
PECOS Enrollment IDI20130628000728
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

7

Medicare enrollment records show Omar Chowdhry reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orange Coast Anesthesia Inc
2.4 mi
Anesthesiology
2601 E CHAPMAN AVE
Orange, CA 92869
  • Reassigned Medicare billing, California enrollment
  • 168 clinicians in this Medicare group
NPI 1508138256 (714) 633-0011
Regional Anesthesia Associates Inc
130 mi
Anesthesiology
1700 MOUNT VERNON AVE
Bakersfield, CA 93306
  • Reassigned Medicare billing, California enrollment
  • 96 clinicians in this Medicare group
NPI 1811442874 (661) 326-2000
Oak Creek Anesthesia Services, Inc.
196 mi
Anesthesiology
400 W MINERAL KING AVE
Visalia, CA 93291
  • Reassigned Medicare billing, California enrollment
  • 131 clinicians in this Medicare group
NPI 1619589512 (559) 624-5432
Community Foundation Medical Group
237 mi
Orthopaedic Surgery
2151 HERNDON AVE STE 105
Fresno, CA 93611
  • Reassigned Medicare billing, California enrollment
  • 508 clinicians in this Medicare group
NPI 1376056721 (559) 256-5200
Valley Regional Anesthesia Associates Inc
240 mi
Anesthesiology
7341 N 1ST ST STE 106
Fresno, CA 93720
  • Reassigned Medicare billing, California enrollment
  • 293 clinicians in this Medicare group
NPI 1578272415 (559) 289-4574
Community Health Partners
240 mi
Multi-Specialty
7257 N FRESNO ST
Fresno, CA 93720
  • Reassigned Medicare billing, California enrollment
  • 604 clinicians in this Medicare group
NPI 1952912420 (559) 324-4952
Permanente Medical Group Inc
341 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on nose and sinuses 00160
Anesthesia for procedures on the nose and sinuses involves administering medication to block sensation, ensuring comfort during the procedure. It can be local (numbing a specific area) or general (you're asleep). This helps prevent pain and discomfort during the procedure.
22 services21 patients

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.

85.78/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality91.3
Promoting Interoperability100
Improvement Activities40
Cost61.3

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. MAURICE YU M.D.
Radiology (Diagnostic Radiology)
1001 N TUSTIN AVE, RADIOLOGY DEPT
SANTA ANA, CA 92705
Orange County (949) 583-9264
JI-GUANG JIN MD
Anesthesiology
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3500
DR. YAE K SUH MD
Pathology (Anatomic Pathology & Clinical Pathology)
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3381
TSUNG LING TSOU M.D.
Anesthesiology
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3500
WESTERN PATHOLOGY MEDICAL ASSOC INC
Pathology (Anatomic Pathology & Clinical Pathology)
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3381
CATHERINE B CHUNG MD
Anesthesiology
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3515
DR. ANDREA DUNKELMAN M.D.
Surgery (Plastic and Reconstructive Surgery)
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (310) 678-2429
TAN K LE M.D.
Anesthesiology
1001 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 953-3515

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 Omar Chowdhry's NPI number?

The NPI number for Omar Chowdhry is 1972735074. It was assigned to this individual provider in the NPPES registry on August 22, 2009.

Where is Omar Chowdhry located?

Omar Chowdhry practices at 1001 N Tustin Ave, Santa Ana, CA 92705. The listed phone number is (714) 953-3500.

What is Omar Chowdhry's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Omar Chowdhry enrolled in Medicare?

Yes. Omar Chowdhry is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Omar Chowdhry's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omar Chowdhry reassigns Medicare benefits to 7 organizations: Orange Coast Anesthesia Inc (Orange, CA), Regional Anesthesia Associates Inc (Bakersfield, CA), Oak Creek Anesthesia Services, Inc. (Visalia, CA), Community Foundation Medical Group (Fresno, CA), Valley Regional Anesthesia Associates Inc (Fresno, CA) and 2 more organizations, listed in the Medicare section above. 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 Omar Chowdhry'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 Omar Chowdhry was last updated on January 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.