Helen Bai
Otolaryngology Physician · Martinez, CA
Helen Bai is an otolaryngology physician with a practice address in Martinez, California, and NPI 1508099029, issued on Sep 1, 2009. Check the license (California A123028, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Helen Bai
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- A123028 CA
Self-reported in NPPES; status is on the state search - Practice location
- 150 Muir RD, Martinez, CA 94553
- Phone
- (925) 372-2000
- Enumerated
- Sep 1, 2009
- Record last updated
- Oct 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 150 Muir RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Helen Bai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123028Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $255.61
9 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Helen Bai among 1,212 otolaryngology physician records in California
Helen Bai is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 65% of them.
- NPI issued2009 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2020 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Martinez → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Siri Sunderi Cheng, M.D.Martinez, CA 945531992853600
- Christian Eisert, MD, MPHMartinez, CA 945531013307479
- Shayla Johnson, M.D.Martinez, CA 945531629145925
- Jonathan Kahn, MDMartinez, CA 945531174601272
- Liam Keating, MDMartinez, CA 945531376685644
- Sassan Falsafi, M.D.Lafayette, CA 945491306956362
- Joyce Colton House, M.D.Napa, CA 945581891960597
- Kathleen Healey, MDNapa, CA 945581366512626
Common questions
What is Helen Bai's NPI number?
Helen Bai's National Provider Identifier (NPI) is 1508099029, issued on Sep 1, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Helen Bai located?
The NPPES record lists a practice address at 150 Muir RD, Martinez, CA, 94553. Phone: (925) 372-2000. Providers update this record themselves, so call before visiting.
How can I verify Helen Bai's license?
NPPES lists California license number A123028, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.