Sharmeen Mahmood
Hematology & Oncology Physician · Newport Beach, CA
Sharmeen Mahmood is a hematology & oncology physician with a practice address in Newport Beach, California, and NPI 1639603236, issued on Apr 20, 2017. Check the license (California 18454, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sharmeen Mahmood
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 18454 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hoag Dr Bldg 41, Newport Beach, CA 92663
- Phone
- (949) 764-4060
- Enumerated
- Apr 20, 2017
- Record last updated
- Jul 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20230925001460); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 1 Hoag Dr Bldg 41
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Domenech Asbun, MDSurgery Physician1740691070
- David Benjamin, MDHematology & Oncology Physician1821450396
- Lana Boladian, PA-CSurgical Oncology Physician1518722297
- Craig Cox, MDRadiation Oncology Physician1134172398
- Allison Fleming, NPAcute Care Nurse Practitioner1407314669
- Jared Forrester, MDSurgery Physician1760801260
Verify Sharmeen Mahmood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 18454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
667 Medicare Part D claims for 140 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Anastrozole196 claims
- Tamoxifen Citrate73 claims
- Eliquis46 claims
- Letrozole41 claims
- Gabapentin34 claims
- Alendronate Sodium27 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): 84.4 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: $612.18
11 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 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 one group practice
- Hoag ClinicNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sharmeen Mahmood among 1,583 hematology & oncology physician records in California
Sharmeen Mahmood is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2017 · median 2003 among the 1,124 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Newport Beach → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Greg Angstreich, MDNewport Beach, CA 926631659303873
- David Benjamin, MDNewport Beach, CA 926631821450396
- Sara Beygi, M.D.Newport Beach, CA 926631396132114
- Benjamin Goldenson, MDNewport Beach, CA 926631588053458
- Dilruba Haque, M.D.Newport Beach, CA 926631689838641
- Simon Khagi, M.D.Newport Beach, CA 926631710121165
- Minh Nguyen, MDNewport Beach, CA 926631740316272
- Andrea Stebel, M.D.Newport Beach, CA 926631447258389
Common questions
What is Sharmeen Mahmood's NPI number?
Sharmeen Mahmood's National Provider Identifier (NPI) is 1639603236, issued on Apr 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sharmeen Mahmood located?
The NPPES record lists a practice address at 1 Hoag Dr Bldg 41, Newport Beach, CA, 92663. Phone: (949) 764-4060. Providers update this record themselves, so call before visiting.
How can I verify Sharmeen Mahmood's license?
NPPES lists California license number 18454, 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 Sharmeen Mahmood prescribe under Medicare Part D?
In 2024, Sharmeen Mahmood had 667 Medicare Part D claims for 140 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Sharmeen Mahmood's MIPS final score?
The 2023 MIPS final score is 84.4 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.