Jerome C. Marcos, NP
Nurse Practitioner · Lancaster, CA
Jerome C. Marcos, NP is a nurse practitioner with a practice address in Lancaster, California, and NPI 1538462999, issued on Dec 7, 2010. Check the license (California 11862, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jerome C. Marcos
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 11862 CA
Self-reported in NPPES; status is on the state search - Practice location
- 907 W Lancaster Blvd, Lancaster, CA 93534
- Phone
- (661) 723-4820
- Enumerated
- Dec 7, 2010
- Record last updated
- Jun 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (818) 975-5069
- Medicare enrollment
- Enrolled (PECOS I20120613000354); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 907 W Lancaster Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jerome C. Marcos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 11862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average nurse practitioner in 2024
1,556 Medicare Part D claims for 439 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 29 claims were for opioids.
Most prescribed
- Gabapentin103 claims
- Albuterol Sulfate Hfa42 claims
- Amlodipine Besylate40 claims
- Atorvastatin Calcium33 claims
- Carvedilol33 claims
- Furosemide33 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Lakeside Medical Organization A Medical Group IncBurbank, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jerome C. Marcos among 8,223 nurse practitioner records in California
Jerome C. Marcos, NP 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 2010, is newer than 32% of them.
- NPI issued2010 · 32% of these records are older, 66% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2010 · median 2017 among the 3,425 with a school on file
- Record last updated2013 · 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).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Lancaster → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
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- Jenet Langjahr, FNPLancaster, CA 935341356301162
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- Luz Martinez, NPLancaster, CA 935341700926904
- Vicki Miranda, NPLancaster, CA 935341982620902
Common questions
What is Jerome C. Marcos, NP's NPI number?
Jerome C. Marcos, NP's National Provider Identifier (NPI) is 1538462999, issued on Dec 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jerome C. Marcos, NP located?
The NPPES record lists a practice address at 907 W Lancaster Blvd, Lancaster, CA, 93534. Phone: (661) 723-4820. Providers update this record themselves, so call before visiting.
How can I verify Jerome C. Marcos, NP's license?
NPPES lists California license number 11862, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jerome C. Marcos, NP prescribe under Medicare Part D?
In 2024, Jerome C. Marcos, NP had 1,556 Medicare Part D claims for 439 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Jerome C. Marcos, NP's MIPS final score?
The 2023 MIPS final score is 84 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.