Karen Haiber, MD
Hematology & Oncology Physician · Pasadena, CA
Karen Haiber, MD is a hematology & oncology physician with a practice address in Pasadena, California, and NPI 1720519127, issued on Mar 27, 2017. Check the license (California A158841, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Haiber
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A158841 CA
Self-reported in NPPES; status is on the state search - Practice location
- 625 S Fair Oaks Ave Ste 400, Pasadena, CA 91105
- Phone
- (626) 568-1622
- Enumerated
- Mar 27, 2017
- Record last updated
- Aug 1, 2023
- Medicaid ID
- KH3232267556 CA
- Medicare enrollment
- Enrolled (PECOS I20230731003256); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of 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 625 S Fair Oaks Ave Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stratos Christianakis, M.D.Rheumatology Physician1831114008
- Jackie Huang, NP-CAdult Health Nurse Practitioner1346600681
- Stephen Huang, M.D.Hematology & Oncology Physician1124089685
- Mary Ishak, PA-CPhysician Assistant1750014189
- Mark McNamara, M.D.Hematology & Oncology Physician1275640294
- Alexis Parazo, NPAdult Health Nurse Practitioner1629734777
Verify Karen Haiber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A158841Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
205 Medicare Part D claims for 49 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Ondansetron Odt19 claims
- Ondansetron Hcl16 claims
- Lenalidomide14 claims
- Dexamethasone13 claims
- Metoclopramide Hcl13 claims
- Eliquis12 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.
Industry payments in 2024: $116.49
3 payments; by number, the most common kind was food and beverage; the largest payer was Mirati Therapeutics, 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.
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
- Usc Care Medical Group IncPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Haiber among 1,583 hematology & oncology physician records in California
Karen Haiber, MD 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 Pasadena → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Steven Applebaum, MDPasadena, CA 911051295760221
- Weber Chen, M.D.Pasadena, CA 911051679504393
- Stephen Huang, M.D.Pasadena, CA 911051124089685
- Cynthia Martel, M.D.Pasadena, CA 911051487665865
- William Mcintyre, Jr., M.D.Pasadena, CA 911051710925144
- Mark McNamara, M.D.Pasadena, CA 911051275640294
- Tiffany Shaw, MDPasadena, CA 911051407199722
- Ronald Tang, DOPasadena, CA 911051609022383
Common questions
What is Karen Haiber, MD's NPI number?
Karen Haiber, MD's National Provider Identifier (NPI) is 1720519127, issued on Mar 27, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Karen Haiber, MD located?
The NPPES record lists a practice address at 625 S Fair Oaks Ave Ste 400, Pasadena, CA, 91105. Phone: (626) 568-1622. Providers update this record themselves, so call before visiting.
How can I verify Karen Haiber, MD's license?
NPPES lists California license number A158841, 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 Karen Haiber, MD prescribe under Medicare Part D?
In 2024, Karen Haiber, MD had 205 Medicare Part D claims for 49 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.