Megan Elizabeth Orr, MD
Radiation Oncology Physician · San Diego, CA
Megan Elizabeth Orr, MD is a radiation oncology physician with a practice address in San Diego, California, and NPI 1104405331, issued on Apr 5, 2021. Check the license (California 180344, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Megan Elizabeth Orr
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 180344 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr, San Diego, CA 92103
- Phone
- (800) 926-8273
- Enumerated
- Apr 5, 2021
- Record last updated
- Jul 9, 2026
- Fax
- (888) 539-8781
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 200 W Arbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristy AbelCertified Registered Nurse Anesthetist1962113035
- Paula Abeleda, NPFamily Nurse Practitioner1558945022
Verify Megan Elizabeth Orr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 180344Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average radiation oncology physician in 2024
53 Medicare Part D claims for 24 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl22 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.
Megan Elizabeth Orr among 735 radiation oncology physician records in California
Megan Elizabeth Orr, MD is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in San Diego → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Donald Fuller, M.D.San Diego, CA 921031285632711
- Adam Horn, M.D.San Diego, CA 921031982979019
- Tahir Ijaz, M.D.San Diego, CA 921031225036742
- Anuradha Koka, M.D.San Diego, CA 921031538153549
- Jyoti Mayadev, M.DSan Diego, CA 921031902906902
- Arno Mundt, M.D.San Diego, CA 921031790708808
- Chika Nwachukwu, MDSan Diego, CA 921031194138263
- Parag Sanghvi, M.D., M..S.P.H.San Diego, CA 921031801005152
Common questions
What is Megan Elizabeth Orr, MD's NPI number?
Megan Elizabeth Orr, MD's National Provider Identifier (NPI) is 1104405331, issued on Apr 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Megan Elizabeth Orr, MD located?
The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Megan Elizabeth Orr, MD's license?
NPPES lists California license number 180344, 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 Megan Elizabeth Orr, MD prescribe under Medicare Part D?
In 2024, Megan Elizabeth Orr, MD had 53 Medicare Part D claims for 24 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.