NPPES file of Aug 9, 2026

Stephanie Rachel Ng, MD

Obstetrics & Gynecology Physician · San Diego, CA

Stephanie Rachel Ng, MD is an obstetrics & gynecology physician with a practice address in San Diego, California, and NPI 1194143230, issued on Apr 5, 2014. Check the license (California A138217, as entered in NPPES) on the Medical Board of California; 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
1194143230
Name
Stephanie Rachel Ng
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A138217 CA
Self-reported in NPPES; status is on the state search
Practice location
15004 Innovation Dr # S97, San Diego, CA 92128
Phone
(858) 605-7311
Enumerated
Apr 5, 2014
Record last updated
Feb 6, 2023
Medicare enrollment
Enrolled (PECOS I20181018003142); accepts Medicare assignment
Medical or professional school
R Franklin University Of Med & Sci/Chicago Medical School, 2014
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 15004 Innovation Dr # S97

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

  1. Annie Dien, NPAdult Health Nurse Practitioner1508406810

Verify Stephanie Rachel Ng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A138217
    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 California license search

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61% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

64 Medicare Part D claims for 24 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Stephanie Ng64
  2. Specialty average165

Most prescribed

  1. Estradiol15 claims
  2. Estradiol (Twice Weekly)14 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: $760.53

20 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. 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. Stephanie Ng$760.53
  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.

Bills Medicare through one group practice

  1. Scripps HealthSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephanie Rachel Ng among 5,088 obstetrics & gynecology physician records in California

Stephanie Rachel Ng, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 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 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2014 · median 2004 among the 2,700 with a school on file
  • Record last updated2023 · 64% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

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

  1. Michael Beaumont, M.D.San Diego, CA 921281467482430
  2. Allison Canavan, M.D.San Diego, CA 921281790004059
  3. Charles Fessenden Edwards, M.D.San Diego, CA 921281265534234
  4. Nora Haripotepornkul, M.D.San Diego, CA 921281164678322
  5. Katrina Kelly, M.D.San Diego, CA 921281861588543
  6. Karen KohatsuSan Diego, CA 921281679517239
  7. Hanh Le, M.D.San Diego, CA 921281235158965
  8. Tresa Lombardi, MDSan Diego, CA 921281427340082

Common questions

What is Stephanie Rachel Ng, MD's NPI number?

Stephanie Rachel Ng, MD's National Provider Identifier (NPI) is 1194143230, issued on Apr 5, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Rachel Ng, MD located?

The NPPES record lists a practice address at 15004 Innovation Dr # S97, San Diego, CA, 92128. Phone: (858) 605-7311. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Rachel Ng, MD's license?

NPPES lists California license number A138217, 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.

How much does Stephanie Rachel Ng, MD prescribe under Medicare Part D?

In 2024, Stephanie Rachel Ng, MD had 64 Medicare Part D claims for 24 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.