NPPES file of Aug 9, 2026

Bhavana Pathak, M.D.

Hematology & Oncology Physician · Orange, CA

Bhavana Pathak, M.D. is a hematology & oncology physician with a practice address in Orange, California, and NPI 1154610319, issued on Mar 28, 2011. Check the license (California A135301, 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
1154610319
Name
Bhavana Pathak
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
A135301 CA
8649 MD
Self-reported in NPPES; status is on the state search
Practice location
230 S Main St Ste 100, Orange, CA 92868
Phone
(714) 541-0101
Enumerated
Mar 28, 2011
Record last updated
Aug 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(714) 541-0450
Medicare enrollment
Enrolled (PECOS I20191106000604); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2011
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 230 S Main St Ste 100

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

  1. Delaney LeducRegistered Nurse1841013695
  2. Christine Master, N.P.Adult Health Nurse Practitioner1144424904
  3. Iryna Singh, FNPNurse Practitioner1831659408
  4. Shawndeep Tung, MDSurgery Physician1992077473

Verify Bhavana Pathak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A135301
    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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45% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

481 Medicare Part D claims for 127 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.

  1. Bhavana Pathak481
  2. Specialty average877

Most prescribed

  1. Tamoxifen Citrate180 claims
  2. Anastrozole153 claims
  3. Letrozole25 claims
  4. Exemestane22 claims
  5. Raloxifene Hcl13 claims
  6. Fulvestrant12 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): 76.7 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 score80.9
  2. Costout of 100 · 30%55.1
  3. Promoting interoperabilityout of 100 · 25%78.0
  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: $34.93

2 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.

  1. Bhavana Pathak$34.93
  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. Memorialcare Medical FoundationNewport Beach, CA

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

Bhavana Pathak among 1,583 hematology & oncology physician records in California

Bhavana Pathak, M.D. 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 2011, is newer than 72% of them.

  • NPI issued2011 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2011 · median 2003 among the 1,124 with a school on file
  • Record last updated2021 · 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. Timothy Byun, MDOrange, CA 928681871545012
  2. Warren Chow, MDOrange, CA 928681093822017
  3. Paul Coluzzi, M.D.Orange, CA 928681972563906
  4. Mihaela Cristea, MDOrange, CA 928681417050998
  5. Sam Huang, M.D.Orange, CA 928681841248812
  6. Tiberio Lindgren, MDOrange, CA 928681275585424
  7. John Link, MDOrange, CA 928681245281211
  8. Steven Lipkin, MDOrange, CA 928681134153547

Common questions

What is Bhavana Pathak, M.D.'s NPI number?

Bhavana Pathak, M.D.'s National Provider Identifier (NPI) is 1154610319, issued on Mar 28, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Bhavana Pathak, M.D. located?

The NPPES record lists a practice address at 230 S Main St Ste 100, Orange, CA, 92868. Phone: (714) 541-0101. Providers update this record themselves, so call before visiting.

How can I verify Bhavana Pathak, M.D.'s license?

NPPES lists California license number A135301, 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 Bhavana Pathak, M.D. prescribe under Medicare Part D?

In 2024, Bhavana Pathak, M.D. had 481 Medicare Part D claims for 127 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Bhavana Pathak, M.D.'s MIPS final score?

The 2023 MIPS final score is 76.7 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.