MR. JEROME C MARCOS NP
NPI 1538462999
Nurse Practitioner in Lancaster, CA

Active since December 07, 2010PECOS EnrolledAccepts Medicare Assignment
83.99/100
CMS Quality Rating
907 W LANCASTER BLVD, LANCASTER, CA 93534(661) 723-4820(818) 975-5069 Get Directions Write a Review

NPPES record last updated: June 14, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. Jerome C Marcos Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. JEROME C MARCOS NP (NPI 1538462999) is an individual nurse practitioner in Lancaster, California, licensed in California (11862) and active in the NPI registry since December 2010. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2010).

NPPES Registry Identity

NPI1538462999
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameMR. JEROME C MARCOSCredential: NP
Location Address907 W LANCASTER BLVDLancaster, CA 93534-2305
Mailing Address907 W Lancaster BlvdLancaster, CA 93534-2305 · (661) 723-4829 · Fax (818) 975-5069
Fax(818) 975-5069
Sole ProprietorYes
Medical School CMSLoma Linda University School Of MedicineGraduated 2010
Enumeration DateDecember 7, 2010
Last NPPES UpdateJune 14, 2013
✔ NPI 1538462999 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 11862
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
907 W LANCASTER BLVD, Lancaster, CA 93534

Other Names 1

Professional Name (2)Mr. Jerome C Marcos Nurse Practitioner

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Jerome C Marcos Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143484626
PECOS Enrollment IDI20120613000354
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Jerome Marcos reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
43839 15TH ST W
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: High Desert Medical Corporation
  • 81 clinicians in this Medicare group
Pain Medicine
26357 MCBEAN PKWY STE 210
Santa Clarita, CA 91355
  • Reassigned Medicare billing, California enrollment
  • 109 clinicians in this Medicare group
Hematology & Oncology
1500 DUARTE RD
Duarte, CA 91010
  • Reassigned Medicare billing, California enrollment
  • 1,335 clinicians in this Medicare group
Internal Medicine
8501 FALLBROOK AVE STE 300
West Hills, CA 91304
  • Reassigned Medicare billing, California enrollment
  • 205 clinicians in this Medicare group
Internal Medicine
8439 WHITE OAK AVE STE 1038439
Rancho Cucamonga, CA 91730
  • Reassigned Medicare billing, California enrollment
  • 25 clinicians in this Medicare group
Internal Medicine
10970 ARROW ROUTE #209
Rancho Cucamonga, CA 91730
  • Reassigned Medicare billing, California enrollment
  • 35 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93534 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.53
Promoting Interoperability91
Improvement Activities40
Cost68.53

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Addiction (Substance Use Disorder))
907 W LANCASTER BLVD
LANCASTER, CA 93534
Physician Assistant (Medical)
907 W LANCASTER BLVD
LANCASTER, CA 93534
Counselor (Addiction (Substance Use Disorder))
907 W LANCASTER BLVD
LANCASTER, CA 93534
Physician Assistant (Medical)
907 W LANCASTER BLVD
LANCASTER, CA 93534
Registered Nurse
907 W LANCASTER BLVD
LANCASTER, CA 93534
Physician Assistant (Medical)
907 W LANCASTER BLVD
LANCASTER, CA 93534
Counselor (Addiction (Substance Use Disorder))
907 W LANCASTER BLVD
LANCASTER, CA 93534
Physician Assistant (Medical)
907 W LANCASTER BLVD
LANCASTER, CA 93534

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jerome Marcos's NPI number?

The NPI number for Jerome Marcos is 1538462999. It was assigned to this individual provider in the NPPES registry on December 7, 2010. The provider is also known as Mr. Jerome C Marcos Nurse Practitioner.

Where is Jerome Marcos located?

Jerome Marcos practices at 907 W Lancaster Blvd, Lancaster, CA 93534. The listed phone number is (661) 723-4820.

What is Jerome Marcos's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Jerome Marcos enrolled in Medicare?

Yes. Jerome Marcos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jerome Marcos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jerome Marcos reassigns Medicare benefits to 6 organizations: High Desert Medical Group (Lancaster, CA), Algos Inc., A Medical Corporation (Santa Clarita, CA), City Of Hope Medical Foundation (Duarte, CA), Lakeside Medical Organization, A Medical Group Inc. (West Hills, CA), Prowellness Healthcare Inc. (Rancho Cucamonga, CA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jerome Marcos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jerome Marcos was last updated on June 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.