Karla Patricia Ballesteros, F.N.P.
Family Nurse Practitioner · Martinez, CA
Karla Patricia Ballesteros, F.N.P. is a family nurse practitioner with a practice address in Martinez, California, and NPI 1962689455, issued on Jan 28, 2008. Check the license (California 475610, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karla Patricia Ballesteros
- Credential
- F.N.P.
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 475610 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Alhambra Ave, Martinez, CA 94553
- Phone
- (925) 370-5200
- Enumerated
- Jan 28, 2008
- Record last updated
- Mar 14, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 2500 Alhambra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Namita AgarwalPediatrics Physician1467626341
- Edward AgyekumDentist1124196696
- Abid Ahmed, M.D.Internal Medicine Physician1346531001
Verify Karla Patricia Ballesteros in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 475610Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average family nurse practitioner in 2024
2,532 Medicare Part D claims for 164 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Atorvastatin Calcium279 claims
- Metoprolol Succinate122 claims
- Amlodipine Besylate120 claims
- Lisinopril118 claims
- Losartan Potassium93 claims
- Jardiance91 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.
Karla Patricia Ballesteros among 16,966 family nurse practitioner records in California
Karla Patricia Ballesteros, F.N.P. is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 13% of them.
- NPI issued2008 · 13% of these records are older, 85% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2017 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 family nurse practitioner records list a practice address in Martinez
They are 46 of the 1,816 NPPES records with a practice address in Martinez, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Martinez → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ruben Caballero, NPMartinez, CA 945531891870879
- Larry Cooperider, NURSE PRACTITIONERMartinez, CA 945531780676247
- Jo ElliffMartinez, CA 945531154498517
- Cynthia Hellman-Wylie, MSN, FNPMartinez, CA 945531093793127
- Phyllis Howard, NPMartinez, CA 945531093885998
- Laura Keels, F.N.P.Martinez, CA 945531619925286
- Marilyn Kerkhoff, NPMartinez, CA 945531336123090
- Laura Miller, NPMartinez, CA 945531801979570
Common questions
What is Karla Patricia Ballesteros, F.N.P.'s NPI number?
Karla Patricia Ballesteros, F.N.P.'s National Provider Identifier (NPI) is 1962689455, issued on Jan 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Karla Patricia Ballesteros, F.N.P. located?
The NPPES record lists a practice address at 2500 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 370-5200. Providers update this record themselves, so call before visiting.
How can I verify Karla Patricia Ballesteros, F.N.P.'s license?
NPPES lists California license number 475610, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Karla Patricia Ballesteros, F.N.P. prescribe under Medicare Part D?
In 2024, Karla Patricia Ballesteros, F.N.P. had 2,532 Medicare Part D claims for 164 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.