NPPES file of Aug 9, 2026

Rachel Lynn Rider, MD

Obstetrics & Gynecology Physician · Santa Cruz, CA

Rachel Lynn Rider, MD is an obstetrics & gynecology physician with a practice address in Santa Cruz, California, and NPI 1578084422, issued on Jun 30, 2017. Check the license (California A173042, 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
1578084422
Name
Rachel Lynn Rider
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
A173042 CA
TRN24742 FL
Self-reported in NPPES; status is on the state search
Practice location
2907 Chanticleer Ave, Santa Cruz, CA 95065
Phone
(831) 477-2375
Enumerated
Jun 30, 2017
Record last updated
Aug 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
TRN24742 FL
Medicare enrollment
Enrolled (PECOS I20210812001199); accepts Medicare assignment
Medical or professional school
Florida State University College 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 2907 Chanticleer Ave

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

  1. Melissa Adrouny, M.D.Obstetrics & Gynecology Physician1407112188
  2. Anabel Albano, CNMAdvanced Practice Midwife1336335611
  3. Kelli Beingesser, MDObstetrics & Gynecology Physician1730144528
  4. Tamara Belkin, CNMAdvanced Practice Midwife1871612853
  5. Karl Christoffersen, MDOrthopaedic Surgery Physician1407835556
  6. Adwoa Christy, MDObstetrics & Gynecology Physician1225017379

Verify Rachel Lynn Rider in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A173042
    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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64% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

60 Medicare Part D claims for 31 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Rachel Rider60
  2. Specialty average165

Most prescribed

  1. Estradiol19 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: $2,355.34

15 payments; by number, the most common kind was food and beverage; the largest payer was Coloplast Corp. 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. Rachel Rider$2,355.34
  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. Sutter Bay Medical FoundationSanta Cruz, CA

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

Rachel Lynn Rider among 5,088 obstetrics & gynecology physician records in California

Rachel Lynn Rider, 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 2017, is newer than 87% of them.

  • NPI issued2017 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2017 · median 2004 among the 2,700 with a school on file
  • Record last updated2021 · 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. Kristin Ayer, CNMSanta Cruz, CA 950651265402093
  2. Kelli Beingesser, MDSanta Cruz, CA 950651730144528
  3. Adwoa Christy, MDSanta Cruz, CA 950651225017379
  4. Janna Doherty, M.D.Santa Cruz, CA 950651790898823
  5. Angela Lawson, MDSanta Cruz, CA 950651386624989
  6. Kimberly Moreland, MDSanta Cruz, CA 950651871572008
  7. Nilda Moreno-Ruiz, MDSanta Cruz, CA 950651619950953
  8. Marsha Muir, M.D.Santa Cruz, CA 950651740396365

Common questions

What is Rachel Lynn Rider, MD's NPI number?

Rachel Lynn Rider, MD's National Provider Identifier (NPI) is 1578084422, issued on Jun 30, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Rachel Lynn Rider, MD located?

The NPPES record lists a practice address at 2907 Chanticleer Ave, Santa Cruz, CA, 95065. Phone: (831) 477-2375. Providers update this record themselves, so call before visiting.

How can I verify Rachel Lynn Rider, MD's license?

NPPES lists California license number A173042, 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 Rachel Lynn Rider, MD prescribe under Medicare Part D?

In 2024, Rachel Lynn Rider, MD had 60 Medicare Part D claims for 31 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.