NPPES file of Aug 9, 2026

Zara Sipan, PA-C

Hematology & Oncology Physician · Glendale, CA

Zara Sipan, PA-C is a hematology & oncology physician with a practice address in Glendale, California, and NPI 1770715369, issued on Aug 14, 2009. Check the license (California PA20281, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770715369
Name
Zara Sipan
Credential
PA-C
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
PA20281 CA
Self-reported in NPPES; status is on the state search
Practice location
222 W Eulalia St, Glendale, CA 91204
Phone
(818) 637-7611
Enumerated
Aug 14, 2009
Record last updated
Aug 14, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(818) 637-5106
Medicare enrollment
Enrolled (PECOS I20110225000494); 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.
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Also registered at 222 W Eulalia St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Abdulian, MDOrthopaedic Surgery Physician1649469628
  2. Luis Acosta, M.D.Family Medicine Physician1548220551
  3. Lydia Bangtson, PH.D.Clinical Psychologist1093859035
  4. Robert Beart, M.D.Colon & Rectal Surgery Physician1134157308
  5. Ray Bloss, PA-CPhysician Assistant1174733265
  6. John Cabrera, M.DObstetrics & Gynecology Physician1992798730

Verify Zara Sipan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license PA20281
    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.

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93% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,690 Medicare Part D claims for 234 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 141 claims were for opioids.

  1. Zara Sipan1,690
  2. Specialty average877

Most prescribed

  1. Tamoxifen Citrate104 claims
  2. Exemestane92 claims
  3. Anastrozole90 claims
  4. Hydrocodone-Acetaminophen75 claims
  5. Loperamide66 claims
  6. Aromasin62 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): 99.1 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.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $119.83

1 payment: food and beverage; the largest payer was Jazz Pharmaceuticals Inc. 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.

  1. Zara Sipan$119.83
  2. Specialty average$7,481.41

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. City OF Hope Medical FoundationSouth Pasadena, CA

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

Zara Sipan among 1,583 hematology & oncology physician records in California

Zara Sipan, PA-C 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 2009, is newer than 66% of them.

  • NPI issued2009 · 66% of these records are older, 30% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2008 · median 2003 among the 1,124 with a school on file
  • Record last updated2009 · 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.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Mercedes Maruscak, N.P.Glendale, CA 912041154356699
  2. Kalust Ucar, M.D.Glendale, CA 912041710912175
  3. Amy Wang, MDGlendale, CA 912041720155609
  4. John GunnellGlendale, CA 912031487765301
  5. Boris Bagdasarian, D.O.Glendale, CA 912061598758062
  6. Saro Kasparian, M.D.Glendale, CA 912061104350917
  7. Mihran Shirinian, M.D.Glendale, CA 912061730262122
  8. Jerry Wada, M.D.Glendale, CA 912061487764379

Common questions

What is Zara Sipan, PA-C's NPI number?

Zara Sipan, PA-C's National Provider Identifier (NPI) is 1770715369, issued on Aug 14, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Zara Sipan, PA-C located?

The NPPES record lists a practice address at 222 W Eulalia St, Glendale, CA, 91204. Phone: (818) 637-7611. Providers update this record themselves, so call before visiting.

How can I verify Zara Sipan, PA-C's license?

NPPES lists California license number PA20281, 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 Zara Sipan, PA-C prescribe under Medicare Part D?

In 2024, Zara Sipan, PA-C had 1,690 Medicare Part D claims for 234 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Zara Sipan, PA-C's MIPS final score?

The 2023 MIPS final score is 99.1 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.