Nilda Moreno-Ruiz, MD
Obstetrics & Gynecology Physician · Santa Cruz, CA
Nilda Moreno-Ruiz, MD is an obstetrics & gynecology physician with a practice address in Santa Cruz, California, and NPI 1619950953, issued on Nov 21, 2005. Check the license (California C130527, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nilda Moreno-Ruiz
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- C130527 CA
MD038582 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1779 Dominican Way, Santa Cruz, CA 95065
- Phone
- (831) 479-4966
- Enumerated
- Nov 21, 2005
- Record last updated
- Jan 10, 2022
- Fax
- (831) 479-7967
- Medicaid ID
- 2109026 MA
- Medicare enrollment
- Enrolled (PECOS I20141031001238); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1779 Dominican Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Saman Deljoui, D.M.D.Endodontics1851522866
- Janna Doherty, M.D.Obstetrics & Gynecology Physician1790898823
- William Francis, DDSEndodontics1770502171
- Meredith Hammig, CNMAdvanced Practice Midwife1457373219
- Amy Herold, MDObstetrics & Gynecology Physician1871779017
- Tanya Machnick, D.D.S., M.S.Endodontics1467521625
Verify Nilda Moreno-Ruiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C130527Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
59 Medicare Part D claims for 32 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Estradiol13 claims
- Yuvafem11 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.
Bills Medicare through one group practice
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nilda Moreno-Ruiz among 5,088 obstetrics & gynecology physician records in California
Nilda Moreno-Ruiz, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2001 · 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.
All 5,088 in California → Every provider in Santa Cruz → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kristin Ayer, CNMSanta Cruz, CA 950651265402093
- Kelli Beingesser, MDSanta Cruz, CA 950651730144528
- Adwoa Christy, MDSanta Cruz, CA 950651225017379
- Janna Doherty, M.D.Santa Cruz, CA 950651790898823
- Angela Lawson, MDSanta Cruz, CA 950651386624989
- Kimberly Moreland, MDSanta Cruz, CA 950651871572008
- Marsha Muir, M.D.Santa Cruz, CA 950651740396365
- Stuart Mumm, MDSanta Cruz, CA 950651033287131
Common questions
What is Nilda Moreno-Ruiz, MD's NPI number?
Nilda Moreno-Ruiz, MD's National Provider Identifier (NPI) is 1619950953, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nilda Moreno-Ruiz, MD located?
The NPPES record lists a practice address at 1779 Dominican Way, Santa Cruz, CA, 95065. Phone: (831) 479-4966. Providers update this record themselves, so call before visiting.
How can I verify Nilda Moreno-Ruiz, MD's license?
NPPES lists California license number C130527, 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 Nilda Moreno-Ruiz, MD prescribe under Medicare Part D?
In 2024, Nilda Moreno-Ruiz, MD had 59 Medicare Part D claims for 32 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.