Mary N. Ayad, M.D.
Hospitalist Physician · Rancho Mirage, CA
Mary N. Ayad, M.D. is a hospitalist physician with a practice address in Rancho Mirage, California, and NPI 1285375337, issued on Apr 5, 2022. Check the license (California A199884, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mary N. Ayad
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- A199884 CA
A199814 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39000 Bob Hope Dr, Rancho Mirage, CA 92270
- Phone
- (760) 340-3911
- Enumerated
- Apr 5, 2022
- Record last updated
- Jul 2, 2026
- Fax
- (760) 837-8956
- Medicare enrollment
- Enrolled (PECOS I20250826003025); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 39000 Bob Hope Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benedict Abaya, FNP-BC, FNP-CFamily Nurse Practitioner1417685462
- Mehrdad Abbasi, MDInternal Medicine Physician1477646776
- Ala Abojaradeh, MDStudent in an Organized Health Care Education/Training Program1316733900
- Naeem Abu-Shehab, M.D.Hospitalist Physician1134363252
- Roux Abubakar, MDHospitalist Physician1982223822
- Mohammad Abushehab, MDStudent in an Organized Health Care Education/Training Program1457293516
Verify Mary N. Ayad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A199884Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average hospitalist physician in 2024
28 Medicare Part D claims for 13 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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
- Regents OF The University OF CaliforniaRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary N. Ayad among 3,099 hospitalist physician records in California
Mary N. Ayad, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% 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, 2% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2011 · median 2010 among the 2,505 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 hospitalist physician records list a practice address in Rancho Mirage
They are 54 of the 1,600 NPPES records with a practice address in Rancho Mirage, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Rancho Mirage → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Homayoun Abdollahzadeh, M.D.Rancho Mirage, CA 922701871802454
- Naeem Abu-Shehab, M.D.Rancho Mirage, CA 922701134363252
- Fadi Awad, MDRancho Mirage, CA 922701700071594
- Arun Chakrabarty, M.D.Rancho Mirage, CA 922701184896987
- Kaushalkumar Chauhan, MBBS MD MPHRancho Mirage, CA 922701548576580
- Jennifer Dowalter, MDRancho Mirage, CA 922701285660233
- Johann Gray, MDRancho Mirage, CA 922701922234657
- Rasam Hosseinian, M.D.Rancho Mirage, CA 922701326092834
Common questions
What is Mary N. Ayad, M.D.'s NPI number?
Mary N. Ayad, M.D.'s National Provider Identifier (NPI) is 1285375337, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mary N. Ayad, M.D. located?
The NPPES record lists a practice address at 39000 Bob Hope Dr, Rancho Mirage, CA, 92270. Phone: (760) 340-3911. Providers update this record themselves, so call before visiting.
How can I verify Mary N. Ayad, M.D.'s license?
NPPES lists California license number A199884, 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 Mary N. Ayad, M.D. prescribe under Medicare Part D?
In 2024, Mary N. Ayad, M.D. had 28 Medicare Part D claims for 13 beneficiaries; the average among hospitalist physician prescribers was 521. 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.