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MEGAN ELIZABETH ORR MD
NPI 1104405331
Radiology - Radiation Oncology in San Diego, CA

Active since April 05, 2021PECOS EnrolledAccepts Medicare Assignment
200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 9, 2026, Jul 12, 2022, Apr 5, 2021 (3 updates tracked since 2021).

About Megan Elizabeth Orr Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MEGAN ELIZABETH ORR MD (NPI 1104405331) is an individual radiation oncology provider in San Diego, California, licensed in California (180344) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Medical College Of Wisconsin (2021).

NPPES Registry Identity

NPI1104405331
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameMEGAN ELIZABETH ORRCredential: MD
Location Address200 W ARBOR DRSan Diego, CA 92103-9000
Mailing AddressFile 57326Los Angeles, CA 90074-7326 · (800) 926-8273
Phone(800) 926-8273
Fax(888) 539-8781
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2021
Enumeration DateApril 5, 2021
Last NPPES UpdateJuly 9, 20263 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
✔ NPI 1104405331 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in CA · 180344
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
200 W ARBOR DR, San Diego, CA 92103
Open in Google Maps ↗

Secondary Practice Locations 3

Location 12900 W Oklahoma AveMilwaukee, WI 53215-4330 · Phone (414) 649-6000
Location 23855 Health Sciences DrLA Jolla, CA 92093-1503 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 33960 Health Sciences DrLa Jolla, CA 92037 · Phone (800) 926-8273 · Fax (888) 539-8781

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Megan Elizabeth Orr Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951875145
PECOS Enrollment IDI20260629003084
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Megan Orr reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of California
Same address
Diagnostic Radiology
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 360 clinicians in this Medicare group
NPI 1558463927 (800) 926-8273

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RAMIN MOTARJEMI M.D.
Internal Medicine (Geriatric Medicine)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (858) 249-2500
DR. KYLE PALMER EDMONDS M.D., FAAHPM
Hospice, Inpatient
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
SHAWN RAVEENTH VEDAMANI MD
Anesthesiology
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
DALE MICHAEL TRUJILLO NP
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
DR. EUGENE THOMAS RICHARDSON IV MD
Internal Medicine (Infectious Disease)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
KAYLEE PETERSEN ARNP
Nurse Practitioner (Psychiatric/Mental Health)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
IRENE NEVAREZ NP
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
WILLIAM JAMES MOSS M.D.
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (508) 395-4189

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Megan Orr's NPI number?

The NPI number for Megan Orr is 1104405331. It was assigned to this individual provider in the NPPES registry on April 5, 2021.

Where is Megan Orr located?

Megan Orr practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.

What is Megan Orr's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Megan Orr enrolled in Medicare?

Yes. Megan Orr is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Megan Orr's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Megan Orr reassigns Medicare benefits to Regents Of The University Of California (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Megan Orr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Megan Orr was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.