Karen A. Zoller, M.D.
Nephrology Physician · Long Beach, CA
Karen A. Zoller, M.D. is a nephrology physician with a practice address in Long Beach, California, and NPI 1508861535, issued on Jun 16, 2005. Check the license (California G37085, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen A. Zoller
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G37085 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3780 Kilroy Airport Way Ste 115, Long Beach, CA 90806
- Phone
- (562) 595-7426
- Enumerated
- Jun 16, 2005
- Record last updated
- Aug 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (562) 989-3054
- Medicaid ID
- G37085 CA
- Medicare enrollment
- Enrolled (PECOS I20100226000557); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 3780 Kilroy Airport Way Ste 115
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alan Erlbaum, M.D.Nephrology Physician1255337028
- John Hsieh, M.D.Nephrology Physician1659376606
- Essam Maasarani, M.D.Nephrology Physician1366448136
- Alice Park, M.D.Nephrology Physician1649336298
- Lei Win, M.DNephrology Physician1124436001
Verify Karen A. Zoller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G37085Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average nephrology physician in 2024
1,013 Medicare Part D claims for 99 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Chlorthalidone65 claims
- Atorvastatin Calcium64 claims
- Amlodipine Besylate57 claims
- Losartan Potassium47 claims
- Prosol42 claims
- Hydralazine Hcl41 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: $272.66
11 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Karen A. Zoller among 1,468 nephrology physician records in California
Karen A. Zoller, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1977 · median 2001 among the 1,128 with a school on file
- Record last updated2018 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Long Beach → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Chonlada Chivangkul, M.D.Long Beach, CA 908061184063570
- Alan Erlbaum, M.D.Long Beach, CA 908061255337028
- John Hsieh, M.D.Long Beach, CA 908061659376606
- Essam Maasarani, M.D.Long Beach, CA 908061366448136
- Arvind Mehta, MDLong Beach, CA 908061518985613
- Alice Park, M.D.Long Beach, CA 908061649336298
- Sapna Patel, MDLong Beach, CA 908061710140561
- Nourma Sajid, M.D.Long Beach, CA 908061952808925
Common questions
What is Karen A. Zoller, M.D.'s NPI number?
Karen A. Zoller, M.D.'s National Provider Identifier (NPI) is 1508861535, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karen A. Zoller, M.D. located?
The NPPES record lists a practice address at 3780 Kilroy Airport Way Ste 115, Long Beach, CA, 90806. Phone: (562) 595-7426. Providers update this record themselves, so call before visiting.
How can I verify Karen A. Zoller, M.D.'s license?
NPPES lists California license number G37085, 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 A. Zoller, M.D. prescribe under Medicare Part D?
In 2024, Karen A. Zoller, M.D. had 1,013 Medicare Part D claims for 99 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.