NPPES file of Aug 9, 2026

Adam Geoffrey Kaplan, M.D.

Urology Physician · Santa Rosa, CA

Adam Geoffrey Kaplan, M.D. is a urology physician with a practice address in Santa Rosa, California, and NPI 1306078050, issued on Aug 13, 2009. Check the license (California A114706, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306078050
Name
Adam Geoffrey Kaplan
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License numbers
A114706 CA
2014-00467 NC
Self-reported in NPPES; status is on the state search
Practice location
1701 4TH St, Santa Rosa, CA 95404
Phone
(707) 525-4051
Enumerated
Aug 13, 2009
Record last updated
Nov 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(707) 525-1033
Medicare enrollment
Enrolled (PECOS I20160819000627); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 2008
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 1701 4TH St

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

  1. Dona Brumbley, RT (R) (CT)Diagnostic Radiology Physician1184245870
  2. Allen Cortez, M.D.Surgery Physician1518916089
  3. Jayme Fellores, AU.D.Audiologist1114274388
  4. Abdul Harris, M.D.Surgery Physician1396859393
  5. Robert James, M.D.Urology Physician1558380683
  6. John Jarvis, PH.D.Audiologist1275772907

Verify Adam Geoffrey Kaplan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A114706
    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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21% fewer Medicare Part D claims than the average urology physician in 2024

1,056 Medicare Part D claims for 316 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 55 claims were for opioids.

  1. Adam Kaplan1,056
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl294 claims
  2. Gemtesa173 claims
  3. Finasteride70 claims
  4. Levofloxacin66 claims
  5. Tramadol Hcl49 claims
  6. Sulfamethoxazole-Trimethoprim43 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: $1,581.10

49 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Adam Kaplan$1,581.10
  2. Specialty average$3,800.04

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. Providence Medical FoundationSanta Rosa, CA

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

Adam Geoffrey Kaplan among 1,524 urology physician records in California

Adam Geoffrey Kaplan, M.D. is one of 1,524 urology physician records with a practice address in California. 82% 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 64% of them.

  • NPI issued2009 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2008 · median 2003 among the 1,049 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in California

There are 1,524 urology physician records in California.

The 8 urology physician records with the nearest ZIP codes

  1. Robert James, M.D.Santa Rosa, CA 954041558380683
  2. Paul McAdams, M. D.Santa Rosa, CA 954041083690259
  3. James Palleschi, M.D.Santa Rosa, CA 954041528088705
  4. Yagil Barazani, M.D.Santa Rosa, CA 954031285896605
  5. Thomas Duckett, M.D.Santa Rosa, CA 954051790700532
  6. Michael Lazar, MDSanta Rosa, CA 954051376505180
  7. Peter Muraki, MDSanta Rosa, CA 954031518462266
  8. James Palmer, MDSanta Rosa, CA 954031972687960

Common questions

What is Adam Geoffrey Kaplan, M.D.'s NPI number?

Adam Geoffrey Kaplan, M.D.'s National Provider Identifier (NPI) is 1306078050, issued on Aug 13, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Adam Geoffrey Kaplan, M.D. located?

The NPPES record lists a practice address at 1701 4TH St, Santa Rosa, CA, 95404. Phone: (707) 525-4051. Providers update this record themselves, so call before visiting.

How can I verify Adam Geoffrey Kaplan, M.D.'s license?

NPPES lists California license number A114706, 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 Adam Geoffrey Kaplan, M.D. prescribe under Medicare Part D?

In 2024, Adam Geoffrey Kaplan, M.D. had 1,056 Medicare Part D claims for 316 beneficiaries; the average among urology physician prescribers was 1,340. 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.