NPPES file of Aug 9, 2026

Helen Xin Gao, MD, MPH

Obstetrics & Gynecology Physician · Saint Louis, MO

Helen Xin Gao, MD, MPH is an obstetrics & gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1750808960, issued on Aug 28, 2017. Check the license (Missouri 2021021542, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750808960
Name
Helen Xin Gao
Credential
MD, MPH
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
2021021542 MO
Self-reported in NPPES; status is on the state search
Practice location
1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
Phone
(314) 362-1016
Enumerated
Aug 28, 2017
Record last updated
Jul 21, 2022
Medicare enrollment
Enrolled (PECOS I20250624001937); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1 Barnes Jewish Hospital Plz

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Fizza Abbas, MDInternal Medicine Physician1588079230
  2. Catey Abbott, DOInternal Medicine Physician1699355347
  3. Ramzi Abboud, MDMedical Oncology Physician1649684200
  4. Amy Abdalla, MDRadiation Oncology Physician1932959954
  5. Heba Abdelal, MDAnatomic Pathology & Clinical Pathology Physician1033633383
  6. Ali Abdelhay, MDHospitalist Physician1619540606

Verify Helen Xin Gao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2021021542
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

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2% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

161 Medicare Part D claims for 75 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 43 claims were for opioids.

  1. Helen Gao161
  2. Specialty average165

Most prescribed

  1. Oxycodone Hcl40 claims
  2. Ibuprofen38 claims
  3. Estradiol12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $39.27

2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Helen Gao$39.27
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Helen Xin Gao among 902 obstetrics & gynecology physician records in Missouri

Helen Xin Gao, MD, MPH is one of 902 obstetrics & gynecology physician records with a practice address in Missouri. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 75% of them.

  • NPI issued2017 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2021 · median 2007 among the 528 with a school on file
  • Record last updated2022 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

332 obstetrics & gynecology physician records list a practice address in Saint Louis

They are 332 of the 27,605 NPPES records with a practice address in Saint Louis, and 902 obstetrics & gynecology physician records in Missouri.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Richard Bolanos, M.D.Saint Louis, MO 631101225358369
  2. Andrew Galakatos, MDSt Louis, MO 631101447523485
  3. Margaret Gray-Swain, MDSaint Louis, MO 631101245267178
  4. Jade James-Halbert, MDSaint Louis, MO 631101073514592
  5. Kerith Lucco, M.D.Saint Louis, MO 631101588780662
  6. Cory Miller, MDSaint Louis, MO 631101578875647
  7. Emiko Petrosky, M.D.Saint Louis, MO 631101235442864
  8. Anna Rabinov, ANNA RABINOVSaint Louis, MO 631101003062613

Common questions

What is Helen Xin Gao, MD, MPH's NPI number?

Helen Xin Gao, MD, MPH's National Provider Identifier (NPI) is 1750808960, issued on Aug 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Helen Xin Gao, MD, MPH located?

The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 362-1016. Providers update this record themselves, so call before visiting.

How can I verify Helen Xin Gao, MD, MPH's license?

NPPES lists Missouri license number 2021021542, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Helen Xin Gao, MD, MPH prescribe under Medicare Part D?

In 2024, Helen Xin Gao, MD, MPH had 161 Medicare Part D claims for 75 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

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.