Ammar Matloob, MD
Anatomic Pathology & Clinical Pathology Physician · Corona, CA
Ammar Matloob, MD is an anatomic pathology & clinical pathology physician with a practice address in Corona, California, and NPI 1780051565, issued on Aug 27, 2015. Check the license (California A172794, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ammar Matloob
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- A172794 CA
Self-reported in NPPES; status is on the state search - Practice location
- 800 S Main St, Corona, CA 92882
- Phone
- (951) 937-4343
- Enumerated
- Aug 27, 2015
- Record last updated
- Sep 13, 2024
- Medicare enrollment
- Enrolled (PECOS I20240911004816); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 800 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Addo-Yobo, DOEmergency Medicine Physician1821625955
- James Ahn, M.D.Anesthesiology Physician1588641963
- Julie Ahn, PA-CPhysician Assistant1346802543
- Thomas Assali, DOInternal Medicine Physician1598225062
- Cynthia Bailey, P.A.-CPhysician Assistant1316053036
- David Bear, M.D.Emergency Medicine Physician1114033883
Verify Ammar Matloob in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A172794Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 81.5 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).
Bills Medicare through one group practice
- Boris Shlopov MD Pathology Medical CorporationCorona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ammar Matloob among 1,554 anatomic pathology & clinical pathology physician records in California
Ammar Matloob, MD is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2012 · median 2003 among the 891 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 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in Corona → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Stephan Grigorian, M.D.Corona, CA 928821821129057
- Calvin Marantz, M.D.Corona, CA 928821639171788
- Nawar Matti, M.D.Corona, CA 928821548624836
- Boris Shlopov, M.D., PH.D.Corona, CA 928821801088406
- Mai Gu, MDCorona, CA 928811821048257
- Andy Hsi, M.D.Placentia, CA 928701366832032
- Bita Behjatnia, M.D.Orange, CA 928691396909966
- Ali Afsari, M.D.Orange, CA 928681275064362
Common questions
What is Ammar Matloob, MD's NPI number?
Ammar Matloob, MD's National Provider Identifier (NPI) is 1780051565, issued on Aug 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ammar Matloob, MD located?
The NPPES record lists a practice address at 800 S Main St, Corona, CA, 92882. Phone: (951) 937-4343. Providers update this record themselves, so call before visiting.
How can I verify Ammar Matloob, MD's license?
NPPES lists California license number A172794, 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.
What is Ammar Matloob, MD's MIPS final score?
The 2023 MIPS final score is 81.5 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.