NPPES file of Aug 9, 2026

Katharine Newman O'Malley, M.D.

Maternal & Fetal Medicine Physician · Mountain View, CA

Katharine Newman O'Malley, M.D. is a maternal & fetal medicine physician with a practice address in Mountain View, California, and NPI 1487896239, issued on Mar 25, 2009. Check the license (California A125125, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487896239
Name
Katharine Newman O'Malley
Credential
M.D.
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
A125125 CA
Self-reported in NPPES; status is on the state search
Practice location
2495 Hospital Dr Ste 400, Mountain View, CA 94040
Phone
(650) 404-8210
Enumerated
Mar 25, 2009
Record last updated
Dec 3, 2024
Medicare enrollment
Enrolled (PECOS I20130723000732); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2009
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 2495 Hospital Dr Ste 400

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

  1. Allana Booth, M.S.Genetic Counselor (M.S.)1487256475
  2. Madison Cheney, CGCGenetic Counselor (M.S.)1437719648
  3. Shilpa Chetty, MDMaternal & Fetal Medicine Physician1699942029
  4. Rosetta DowlingGenetic Counselor (M.S.)1710501861
  5. Heather Tabery, MS, CGCGenetic Counselor (M.S.)1841568359
  6. Lisa Wilson, MSGenetic Counselor (M.S.)1588266696

Verify Katharine Newman O'Malley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A125125
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationPalo Alto, CA

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

Katharine Newman O'Malley among 343 maternal & fetal medicine physician records in California

Katharine Newman O'Malley, M.D. is one of 343 maternal & fetal medicine physician records with a practice address in California. 61% 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 69% of them.

  • NPI issued2009 · 69% of these records are older, 27% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2009 · median 2003 among the 181 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in California

There are 343 maternal & fetal medicine physician records in California.

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Shilpa Chetty, MDMountain View, CA 940401699942029
  2. Bonnie Dwyer, M.D.Mountain View, CA 940401164564100
  3. Liza Kunz, MDMountain View, CA 940401073596862
  4. Siegfried Rotmensch, M.D.Mountain View, CA 940401932382447
  5. Per Sandberg, M.DMountain View, CA 940401003830704
  6. Amy Wong, M.D.Mountain View, CA 940401912181553
  7. Amanda Yeaton-Massey, MDMountain View, CA 940401710238498
  8. Jennifer Duffy, MDBurlingame, CA 940101841631801

Common questions

What is Katharine Newman O'Malley, M.D.'s NPI number?

Katharine Newman O'Malley, M.D.'s National Provider Identifier (NPI) is 1487896239, issued on Mar 25, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Katharine Newman O'Malley, M.D. located?

The NPPES record lists a practice address at 2495 Hospital Dr Ste 400, Mountain View, CA, 94040. Phone: (650) 404-8210. Providers update this record themselves, so call before visiting.

How can I verify Katharine Newman O'Malley, M.D.'s license?

NPPES lists California license number A125125, 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.