Ariel Karwat
Nurse Practitioner · Pleasant Hill, CA
Ariel Karwat is a nurse practitioner with a practice address in Pleasant Hill, California, and NPI 1427648179, issued on Jan 26, 2021. Check the license (California 95016475, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ariel Karwat
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 95016475 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Taylor Blvd, Pleasant Hill, CA 94523
- Phone
- (925) 677-5041
- Enumerated
- Jan 26, 2021
- Record last updated
- Jan 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 400 Taylor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rujul Desai, MDNeurology with Special Qualifications in Child Neurology Physician1255727871
Verify Ariel Karwat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95016475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average nurse practitioner in 2024
135 Medicare Part D claims for 44 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Ondansetron Hcl12 claims
- Prednisone11 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: $183.96
8 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 38,884 providers of this specialty with any payment received $791.64 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.
Ariel Karwat among 8,223 nurse practitioner records in California
Ariel Karwat is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 71% of them.
- NPI issued2021 · 71% of these records are older, 23% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 nurse practitioner records list a practice address in Pleasant Hill
They are 9 of the 843 NPPES records with a practice address in Pleasant Hill, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Pleasant Hill → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Layla Afsari, RN, BSN, FNP, MSNPleasant Hill, CA 945231033514252
- Jacqueline Bradley, N.P.Pleasant Hill, CA 945231760401012
- Michelle Cleary, N.P.Pleasant Hill, CA 945231093734527
- Pamela Coyne, FNPPleasant Hill, CA 945231093902058
- Michelle Frankland, M.S.N., N.P.Pleasant Hill, CA 945231619029907
- Hazel Hiroshima, NPPleasant Hill, CA 945231598200503
- Caitanya Min, NP-CPleasant Hill, CA 945231235609645
- Karen Vuong, MSN, APRN, CWOCNPleasant Hill, CA 945231275268617
Common questions
What is Ariel Karwat's NPI number?
Ariel Karwat's National Provider Identifier (NPI) is 1427648179, issued on Jan 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ariel Karwat located?
The NPPES record lists a practice address at 400 Taylor Blvd, Pleasant Hill, CA, 94523. Phone: (925) 677-5041. Providers update this record themselves, so call before visiting.
How can I verify Ariel Karwat's license?
NPPES lists California license number 95016475, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ariel Karwat prescribe under Medicare Part D?
In 2024, Ariel Karwat had 135 Medicare Part D claims for 44 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.