Maureen McCollough
Emergency Medicine Physician · Sylmar, CA
Maureen McCollough is an emergency medicine physician with a practice address in Sylmar, California, and NPI 1164569901, issued on Jan 31, 2007. Check the license (California G73801, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maureen McCollough
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G73801 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14445 Olive View Dr, Sylmar, CA 91342
- Phone
- (747) 210-3107
- Enumerated
- Jan 31, 2007
- Record last updated
- Apr 14, 2026
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 14445 Olive View Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nasser Abdo, MDInternal Medicine Physician1306911649
- Gezman Abdullahi, M.D.Internal Medicine Physician1225394380
- Moyosore Abere, NPNurse Practitioner1225667314
- Ammini Abraham, MDAnesthesiology Physician1467531541
- Margarita Acosta, RN, AGACNPAcute Care Nurse Practitioner1609202415
- Fredric Adler, MDInternal Medicine Physician1356376735
Verify Maureen McCollough in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average emergency medicine physician in 2024
14 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Maureen McCollough among 7,751 emergency medicine physician records in California
Maureen McCollough is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 emergency medicine physician records list a practice address in Sylmar
They are 14 of the 1,454 NPPES records with a practice address in Sylmar, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Sylmar → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Alan Chiem, MD, MPHSylmar, CA 913421477716967
- Jeffrey Guterman, MD MSSylmar, CA 913421639258007
- Shankar Hittalmani, MDSylmar, CA 913421437210879
- Sai-Hung Hui, M.D.Sylmar, CA 913421710166640
- Ebunoluwa Johnson, M.D.Sylmar, CA 913421639332315
- Miguel Lemus, M.D.Sylmar, CA 913421891996575
- Scott Lundberg, MDSylmar, CA 913421770518789
- Fredrick Melik-Abrahamian, D.O.Sylmar, CA 913421134159890
Common questions
What is Maureen McCollough's NPI number?
Maureen McCollough's National Provider Identifier (NPI) is 1164569901, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maureen McCollough located?
The NPPES record lists a practice address at 14445 Olive View Dr, Sylmar, CA, 91342. Phone: (747) 210-3107. Providers update this record themselves, so call before visiting.
How can I verify Maureen McCollough's license?
NPPES lists California license number G73801, 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 Maureen McCollough prescribe under Medicare Part D?
In 2024, Maureen McCollough had 14 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.