NPPES file of Aug 9, 2026

Susan L. M. Macmillan, MD

Obstetrics & Gynecology Physician · Rancho Cordova, CA

Susan L. M. Macmillan, MD is an obstetrics & gynecology physician with a practice address in Rancho Cordova, California, and NPI 1083786834, issued on Nov 15, 2006. Check the license (California A68964, 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
1083786834
Name
Susan L. M. Macmillan
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A68964 CA
Self-reported in NPPES; status is on the state search
Practice location
10725 International Dr, Rancho Cordova, CA 95670
Phone
(916) 631-3000
Enumerated
Nov 15, 2006
Record last updated
Jan 10, 2022
Medicaid ID
00A689640 CA
Medicare enrollment
Enrolled (PECOS I20110222000005); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1995
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 10725 International Dr

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

  1. Randal Anderson, MDDermatology Physician1144308818
  2. Karyl Andolina, MDObstetrics & Gynecology Physician1669550380
  3. John Auza, MDPsychiatry Physician1265510978
  4. Linda Baryliuk, MDHospitalist Physician1992879597
  5. Venugopal Bellum, MDFamily Medicine Physician1225131105
  6. Ren Bernardo, M.D.Family Medicine Physician1639304389

Verify Susan L. M. Macmillan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A68964
    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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2.4 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

399 Medicare Part D claims for 134 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Susan Macmillan399
  2. Specialty average165

Most prescribed

  1. Estradiol94 claims
  2. Clobetasol Propionate40 claims
  3. Estring33 claims
  4. Yuvafem31 claims
  5. Progesterone24 claims
  6. Dotti18 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: $122.31

1 payment: food and beverage; the largest payer was Abbvie 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. Susan Macmillan$122.31
  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. Permanente Medical Group IncRancho Cordova, CA

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

Susan L. M. Macmillan among 5,088 obstetrics & gynecology physician records in California

Susan L. M. Macmillan, 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1995 · median 2004 among the 2,700 with a school on file
  • Record last updated2022 · 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. Karyl Andolina, MDRancho Cordova, CA 956701669550380
  2. Anne Lahue, MDRancho Cordova, CA 956701457439119
  3. Jacalyn McKay, MDRancho Cordova, CA 956701487732152
  4. Jennifer Boni, M.D.Placerville, CA 956671558570911
  5. Michele Cherry, D.O.Placerville, CA 956671588642417
  6. Timna Hughes, MDPlacerville, CA 956671245212695
  7. Michael Jones, MDPlacerville, CA 956671407846025
  8. Evgenia Polosina, M.D.Placerville, CA 956671962817270

Common questions

What is Susan L. M. Macmillan, MD's NPI number?

Susan L. M. Macmillan, MD's National Provider Identifier (NPI) is 1083786834, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Susan L. M. Macmillan, MD located?

The NPPES record lists a practice address at 10725 International Dr, Rancho Cordova, CA, 95670. Phone: (916) 631-3000. Providers update this record themselves, so call before visiting.

How can I verify Susan L. M. Macmillan, MD's license?

NPPES lists California license number A68964, 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 Susan L. M. Macmillan, MD prescribe under Medicare Part D?

In 2024, Susan L. M. Macmillan, MD had 399 Medicare Part D claims for 134 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.