Pei Lily Mulroy, D.O.
Hospitalist Physician · Orange, CA
Pei Lily Mulroy, D.O. is a hospitalist physician with a practice address in Orange, California, and NPI 1568892115, issued on Nov 19, 2013. Check the license (California 20A13031, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Pei Lily Mulroy
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 20A13031 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (714) 456-8888
- Enumerated
- Nov 19, 2013
- Record last updated
- May 11, 2026
- Medicare enrollment
- Enrolled (PECOS I20141020001554); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danny Abad, PAPhysician Assistant1477158673
- Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
- Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
- Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
- Eric AbelloOtolaryngology Physician1922566215
- Brandon Abeyta, MDAnesthesiology Physician1841291804
Verify Pei Lily Mulroy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13031Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average hospitalist physician in 2024
782 Medicare Part D claims for 250 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Pantoprazole Sodium34 claims
- Eliquis33 claims
- Amlodipine Besylate30 claims
- Atorvastatin Calcium24 claims
- Finasteride24 claims
- Metoprolol Succinate24 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: $140.93
1 payment: food and beverage; the largest payer was Edwards Lifesciences Corporation. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Prohealth Partners, A Medical GroupHuntington Beach, CA
- The Regents OF The University OF California-IrvineOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pei Lily Mulroy among 3,099 hospitalist physician records in California
Pei Lily Mulroy, D.O. 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 2013, is newer than 56% of them.
- NPI issued2013 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2012 · 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).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Orange → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Quincy Almond, M.D.Orange, CA 928681578573697
- Alpesh Amin, MDOrange, CA 928681457394801
- Sean Amos, M.D.Orange, CA 928681992715007
- Andrea Avery, MDOrange, CA 928681144300229
- Amish Dangodara, MDOrange, CA 928681093895195
- Israel De Alba, MDOrange, CA 928681639259732
- Dang Khoa T Duong, MDOrange, CA 928681346320488
- Diego Gonzalez, M.D.Orange, CA 928681326058371
Common questions
What is Pei Lily Mulroy, D.O.'s NPI number?
Pei Lily Mulroy, D.O.'s National Provider Identifier (NPI) is 1568892115, issued on Nov 19, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Pei Lily Mulroy, D.O. located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-8888. Providers update this record themselves, so call before visiting.
How can I verify Pei Lily Mulroy, D.O.'s license?
NPPES lists California license number 20A13031, 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 Pei Lily Mulroy, D.O. prescribe under Medicare Part D?
In 2024, Pei Lily Mulroy, D.O. had 782 Medicare Part D claims for 250 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.