NPPES file of Aug 9, 2026

Robert Mao, PHARMD

Pharmacist · Palm Springs, CA

Robert Mao, PHARMD is a pharmacist with a practice address in Palm Springs, California, and NPI 1851793624, issued on Sep 23, 2014. Check the license (California 69841, as entered in NPPES) with the California board that licenses this profession; 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
1851793624
Name
Robert Mao
Credential
PHARMD
Primary taxonomy
Pharmacist 183500000X
License number
69841 CA
Self-reported in NPPES; status is on the state search
Practice location
255 N. EL Cielo, Palm Springs, CA 92262
Phone
(760) 969-6560
Enumerated
Sep 23, 2014
Record last updated
Mar 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Robert Mao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 69841
    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
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21.9 times the Medicare Part D claims of the average pharmacist in 2024

2,602 Medicare Part D claims for 702 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 96% of claims.

  1. Robert Mao2,602
  2. Specialty average119

Most prescribed

  1. Eliquis2,042 claims
  2. Xarelto419 claims
  3. Dabigatran Etexilate70 claims
  4. Warfarin Sodium28 claims
  5. Paxlovid13 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.

Robert Mao among 32,533 pharmacist records in California

Robert Mao, PHARMD is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 35% of them.

  • NPI issued2014 · 35% of these records are older, 59% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2016 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

134 pharmacist records list a practice address in Palm Springs

They are 134 of the 1,917 NPPES records with a practice address in Palm Springs, and 32,533 pharmacist records in California.

The 8 pharmacist records with the nearest ZIP codes

  1. Pisey Ancheta, PHAM.D.Palm Springs, CA 922621376848143
  2. Matthew Ancheta, PHARM.D.Palm Springs, CA 922621669778346
  3. Marguerite Bane, RPHPalm Springs, CA 922621457656712
  4. Lisa Carlson, PHARM.D.Palm Springs, CA 922621699070664
  5. Ella CheungPalm Springs, CA 922621598086761
  6. Brenna Mayhew, RPHPalm Springs, CA 922621134451354
  7. Patrick O'Melia, PHARM DPalm Springs, CA 922621659676856
  8. Ethel Odiakosa, PHARMDPalm Springs, CA 922621861703225

Common questions

What is Robert Mao, PHARMD's NPI number?

Robert Mao, PHARMD's National Provider Identifier (NPI) is 1851793624, issued on Sep 23, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Robert Mao, PHARMD located?

The NPPES record lists a practice address at 255 N. EL Cielo, Palm Springs, CA, 92262. Phone: (760) 969-6560. Providers update this record themselves, so call before visiting.

How can I verify Robert Mao, PHARMD's license?

NPPES lists California license number 69841, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Mao, PHARMD prescribe under Medicare Part D?

In 2024, Robert Mao, PHARMD had 2,602 Medicare Part D claims for 702 beneficiaries; the average among pharmacist prescribers was 119. 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.