Catherine Margaret Ross, M.D.
Emergency Medicine Physician · Inglewood, CA
Catherine Margaret Ross, M.D. is an emergency medicine physician with a practice address in Inglewood, California, and NPI 1063651586, issued on Feb 5, 2009. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Margaret Ross
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- Practice location
- 555 E Hardy St, Inglewood, CA 90301
- Phone
- (310) 673-4660
- Enumerated
- Feb 5, 2009
- Record last updated
- Feb 5, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090822000170); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2006
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 555 E Hardy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abby Adesanya, PHARM.DPharmacist1518997790
- Rabia Ahmed, M.D.Internal Medicine Physician1396772596
- Joanna AlcocerSocial Worker1205467404
- Mohammed Alomari, M.B.B.CH.Student in an Organized Health Care Education/Training Program1811840754
- Talia AmiriNurse Practitioner1871000802
- Mahjuba Ansari, MDStudent in an Organized Health Care Education/Training Program1780535021
Verify Catherine Margaret Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average emergency medicine physician in 2024
55 Medicare Part D claims for 36 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ibuprofen14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $117.29
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- Centinela Freeman Emergency Medical Associates IncInglewood, CA
- Cep America - CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Margaret Ross among 7,751 emergency medicine physician records in California
Catherine Margaret Ross, M.D. 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 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2006 · median 2011 among the 4,560 with a school on file
- Record last updated2009 · 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).
21 emergency medicine physician records list a practice address in Inglewood
They are 21 of the 1,428 NPPES records with a practice address in Inglewood, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Inglewood → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Shahrouz Dadfarin, M.D.Inglewood, CA 903011851596381
- Penny Douthwaite, MDInglewood, CA 903011437169695
- Peter Galich, M.D.Inglewood, CA 903011265634604
- Kuljit Hundal, M.D.Inglewood, CA 903011902815350
- Julie Jacob, MDInglewood, CA 903011881864890
- David Kalmanson, M.D.Inglewood, CA 903011114963543
- Woojin Lee, MDInglewood, CA 903011154345023
- Harriette Lewis, MDInglewood, CA 903011093738270
Common questions
What is Catherine Margaret Ross, M.D.'s NPI number?
Catherine Margaret Ross, M.D.'s National Provider Identifier (NPI) is 1063651586, issued on Feb 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Margaret Ross, M.D. located?
The NPPES record lists a practice address at 555 E Hardy St, Inglewood, CA, 90301. Phone: (310) 673-4660. Providers update this record themselves, so call before visiting.
How can I verify Catherine Margaret Ross, M.D.'s license?
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 Catherine Margaret Ross, M.D. prescribe under Medicare Part D?
In 2024, Catherine Margaret Ross, M.D. had 55 Medicare Part D claims for 36 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Catherine Margaret Ross, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.