NPPES file of Aug 9, 2026

Lauren Montemorano, MD

Gynecologic Oncology Physician · Oakland, CA

Lauren Montemorano, MD is a gynecologic oncology physician with a practice address in Oakland, California, and NPI 1891220844, issued on Apr 27, 2017. Check the license (California A205891, 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
1891220844
Name
Lauren Montemorano
Credential
MD
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License numbers
A205891 CA
25041 NV
7483920 WI
Self-reported in NPPES; status is on the state search
Practice location
3701 Broadway, Oakland, CA 94611
Phone
(510) 752-7780
Enumerated
Apr 27, 2017
Record last updated
Jan 16, 2026
Medicare enrollment
Enrolled (PECOS I20240815001375); accepts Medicare assignment
Medical or professional school
University Of Virginia School Of Medicine, 2017
Telehealth
Offers telehealth (CMS)
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 3701 Broadway

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

  1. Sadie AikinsSpeech-Language Pathologist1407357635
  2. Martine Bernstein, GNP-BCGerontology Nurse Practitioner1730422767
  3. Brandon Butler, PHARMDPharmacist1912469529
  4. Laura Cantino, MDHospice and Palliative Medicine (Internal Medicine) Physician1811330632
  5. Pei-Chang Chen, MDStudent in an Organized Health Care Education/Training Program1992934632
  6. Sarika DewaikarPharmacist1649722521

Verify Lauren Montemorano in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A205891
    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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85% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024

29 Medicare Part D claims for 15 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D.

  1. Lauren Montemorano29
  2. Specialty average195

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: $47.29

3 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lauren Montemorano$47.29
  2. Specialty average$6,387.20

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. Peter C Lim MD LtdReno, NV

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

Lauren Montemorano among 176 gynecologic oncology physician records in California

Lauren Montemorano, MD is one of 176 gynecologic oncology physician records with a practice address in California. 86% 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 93% of them.

  • NPI issued2017 · 93% of these records are older, 3% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2017 · median 2004 among the 131 with a school on file
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecologic Oncology Physician providers in California

There are 176 gynecologic oncology physician records in California.

The 8 gynecologic oncology physician records with the nearest ZIP codes

  1. Giuseppe Ciaravino, MDOakland, CA 946111992883771
  2. Thomas Ewing, MDOakland, CA 946111376621177
  3. Liz Han, MDOakland, CA 946111699721498
  4. Isabel Lazo, M.D.Oakland, CA 946111992061113
  5. Corinne Jansen, MDWalnut Creek, CA 945981679065817
  6. Dimitry Lerner, M.D.Walnut Creek, CA 945981992965354
  7. Daniel Paik, MDWalnut Creek, CA 945981962673046
  8. Betty Suh-Burgmann, MDWalnut Creek, CA 945961881772960

Common questions

What is Lauren Montemorano, MD's NPI number?

Lauren Montemorano, MD's National Provider Identifier (NPI) is 1891220844, issued on Apr 27, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Montemorano, MD located?

The NPPES record lists a practice address at 3701 Broadway, Oakland, CA, 94611. Phone: (510) 752-7780. Providers update this record themselves, so call before visiting.

How can I verify Lauren Montemorano, MD's license?

NPPES lists California license number A205891, 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 Lauren Montemorano, MD prescribe under Medicare Part D?

In 2024, Lauren Montemorano, MD had 29 Medicare Part D claims for 15 beneficiaries; the average among gynecologic oncology physician prescribers was 195. 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.