NPPES file of Aug 9, 2026

Courtney E. O'Rourke, DO

Internal Medicine Physician · San Diego, CA

Courtney E. O'Rourke, DO is an internal medicine physician with a practice address in San Diego, California, and NPI 1730118886, issued on Jul 1, 2006. Check the license (California 20A11824, as entered in NPPES) on the Medical Board of California; 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
1730118886
Name
Courtney E. O'Rourke
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
20A11824 CA
48004-021 WI
Self-reported in NPPES; status is on the state search
Practice location
9909 Mira Mesa Blvd Ste 110, San Diego, CA 92131
Phone
(858) 554-1212
Enumerated
Jul 1, 2006
Record last updated
Feb 22, 2024
Fax
(858) 795-1195
Medicaid ID
43524300 WI
Medicare enrollment
Enrolled (PECOS I20111229000233); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Courtney E. O'Rourke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11824
    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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

87% fewer Medicare Part D claims than the average internal medicine physician in 2024

423 Medicare Part D claims for 105 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Courtney O'Rourke423
  2. Specialty average3,176

Most prescribed

  1. Metformin Hcl24 claims
  2. Atorvastatin Calcium22 claims
  3. Amlodipine Besylate19 claims
  4. Losartan Potassium17 claims
  5. Trazodone Hcl17 claims
  6. Levothyroxine Sodium16 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: $430.37

15 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Courtney O'Rourke$430.37
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Monica Perlman MD IncSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Courtney E. O'Rourke among 17,696 internal medicine physician records in California

Courtney E. O'Rourke, DO is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2001 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

961 internal medicine physician records list a practice address in San Diego

They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Noha Abdelgelil, MDSan Diego, CA 921311457926404
  2. Emelya Ahadian, M.D.San Diego, CA 921311477561777
  3. Jennie Wei, M.D.San Diego, CA 921311053690974
  4. Lavannya Atri, MDSan Diego, CA 921301285320754
  5. Mitch BiermannSan Diego, CA 921301033671292
  6. Kristina Byers-Spencer, MDSan Diego, CA 921301487233250
  7. Isabel Cheon, M. D.San Diego, CA 921301033425459
  8. Kaylan Graham, M.D.San Diego, CA 921301780900829

Common questions

What is Courtney E. O'Rourke, DO's NPI number?

Courtney E. O'Rourke, DO's National Provider Identifier (NPI) is 1730118886, issued on Jul 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Courtney E. O'Rourke, DO located?

The NPPES record lists a practice address at 9909 Mira Mesa Blvd Ste 110, San Diego, CA, 92131. Phone: (858) 554-1212. Providers update this record themselves, so call before visiting.

How can I verify Courtney E. O'Rourke, DO's license?

NPPES lists California license number 20A11824, 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 Courtney E. O'Rourke, DO prescribe under Medicare Part D?

In 2024, Courtney E. O'Rourke, DO had 423 Medicare Part D claims for 105 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.