Caroline Irene Piatek, M.D,
Hematology (Internal Medicine) Physician · Los Angeles, CA
Caroline Irene Piatek, M.D, is a hematology (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1366746661, issued on Dec 29, 2010. Check the license (California A115210, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Caroline Irene Piatek
- Credential
- M.D,
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- A115210 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1441 Eastlake Ave, Los Angeles, CA 90089
- Phone
- (323) 865-3105
- Enumerated
- Dec 29, 2010
- Record last updated
- Nov 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20150613000068); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 175 in California → Look up another NPI →
Also registered at 1441 Eastlake Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Akbar Ashrafi, MDStudent in an Organized Health Care Education/Training Program1063913531
- Cherry AuHematology & Oncology Physician1346828076
- Raed Azhar, M.DUrology Physician1093061053
Verify Caroline Irene Piatek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
105 Medicare Part D claims for 24 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 82% of claims.
Most prescribed
- Xarelto41 claims
- Eliquis39 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: $69,802.43
69 payments; by number, the most common kind was food and beverage; the largest payer was Apellis Pharmaceuticals, Inc. The 721 providers of this specialty with any payment received $13,778.35 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 IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caroline Irene Piatek among 175 hematology (internal medicine) physician records in California
Caroline Irene Piatek, M.D, is one of 175 hematology (internal medicine) physician records with a practice address in California. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 62% of them.
- NPI issued2010 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2009 · median 2006 among the 135 with a school on file
- Record last updated2023 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in California
There are 175 hematology (internal medicine) physician records in California.
All 175 in California → Every provider in Los Angeles → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Zaw Myint, M.D.Los Angeles, CA 900891225243348
- Caitlin O'NeillLos Angeles, CA 900891497174262
- Giridharan Ramsingh, MDLos Angeles, CA 900891073710083
- Anil Tulpule, M.D.Los Angeles, CA 900891710913249
- Ilene Weitz, M.D.Los Angeles, CA 900891790715399
- Susan Claster, MDLos Angeles, CA 900591659471829
- Hitomi Hosoya, MDLos Angeles, CA 900481265895817
- Noah Merin, M.D.West Hollywood, CA 900481659547487
Common questions
What is Caroline Irene Piatek, M.D,'s NPI number?
Caroline Irene Piatek, M.D,'s National Provider Identifier (NPI) is 1366746661, issued on Dec 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Irene Piatek, M.D, located?
The NPPES record lists a practice address at 1441 Eastlake Ave, Los Angeles, CA, 90089. Phone: (323) 865-3105. Providers update this record themselves, so call before visiting.
How can I verify Caroline Irene Piatek, M.D,'s license?
NPPES lists California license number A115210, 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 Caroline Irene Piatek, M.D, prescribe under Medicare Part D?
In 2024, Caroline Irene Piatek, M.D, had 105 Medicare Part D claims for 24 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.