Ma De Lourdes Rayas Almeraz, MD
Family Medicine Physician · Healdsburg, CA
Ma De Lourdes Rayas Almeraz, MD is a family medicine physician with a practice address in Healdsburg, California, and NPI 1518607282, issued on Mar 31, 2022. Check the license (California A197839, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ma De Lourdes Rayas Almeraz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A197839 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1381 University St, Healdsburg, CA 95448
- Phone
- (707) 433-5494
- Enumerated
- Mar 31, 2022
- Record last updated
- Oct 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20250801000920); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1381 University St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juana Alvarez, NPNurse Practitioner1518049659
- Gerardo Amador, DDSDentist1780742361
- Seth Ammerman, MDPediatric Adolescent Medicine Physician1831290154
- Robert Azcarraga, MDFamily Medicine Physician1477548709
- Christopher Barker, MDFamily Medicine Physician1619029840
- Barbara Boylan, MDCardiovascular Disease Physician1013091081
Verify Ma De Lourdes Rayas Almeraz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A197839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
271 Medicare Part D claims for 46 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium25 claims
- Metformin Hcl24 claims
- Amlodipine Besylate17 claims
- Lisinopril14 claims
- Fluticasone Propionate11 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
- Alliance Medical CenterHealdsburg, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ma De Lourdes Rayas Almeraz among 17,133 family medicine physician records in California
Ma De Lourdes Rayas Almeraz, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 family medicine physician records list a practice address in Healdsburg
They are 27 of the 226 NPPES records with a practice address in Healdsburg, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Healdsburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Richard Andolsen, MDHealdsburg, CA 954481376533638
- Robert Azcarraga, MDHealdsburg, CA 954481477548709
- Mary Berg, MDHealdsburg, CA 954481487724290
- Maria Garcia, MDHealdsburg, CA 954481073500732
- Andre Gerard, MDHealdsburg, CA 954481891722500
- Walter Maack, M.D.Healdsburg, CA 954481588765416
- Jeffrey Meckler, MDHealdsburg, CA 954481316932635
- Thomas Neal, M.D.Healdsburg, CA 954481649298910
Common questions
What is Ma De Lourdes Rayas Almeraz, MD's NPI number?
Ma De Lourdes Rayas Almeraz, MD's National Provider Identifier (NPI) is 1518607282, issued on Mar 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ma De Lourdes Rayas Almeraz, MD located?
The NPPES record lists a practice address at 1381 University St, Healdsburg, CA, 95448. Phone: (707) 433-5494. Providers update this record themselves, so call before visiting.
How can I verify Ma De Lourdes Rayas Almeraz, MD's license?
NPPES lists California license number A197839, 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 Ma De Lourdes Rayas Almeraz, MD prescribe under Medicare Part D?
In 2024, Ma De Lourdes Rayas Almeraz, MD had 271 Medicare Part D claims for 46 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.