Jerome C. Marcos, NP

  • West Covina, CA
  • Nurse practitioner
NPI1538462999PAC ID0143484626
Part D claims, 2024
1,556
MIPS score, 2024
81
Industry payments
$50
Affiliated sites
4
Medical groups
6
Practice address
1500 W West Covina Pkwy, West Covina, CA 91790
Practice phone
Call (818) 637-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lakeside Medical Organization, a Medical Group Inc.

West Covina, California

See all 11 affiliations

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Jerome C. Marcos is a nurse practitioner in West Covina, California

Jerome Marcos practices at Lakeside Medical Organization, a Medical Group Inc. in West Covina, California.

Jerome Marcos' NPI, 1538462999, was assigned on December 7, 2010. Jerome Marcos graduated from Loma Linda University School of Medicine in 2010. Jerome Marcos holds California license 11862.

NPI and contact details
Medicare PAC ID
0143484626
NPI enumeration date
December 7, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 637-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Jerome C. Marcos practices at Lakeside Medical Organization, a Medical Group Inc. in West Covina, California

Jerome Marcos' primary practice is Lakeside Medical Organization, a Medical Group Inc., at 1500 W West Covina Pkwy, West Covina, CA 91790 in Los Angeles County. The practice phone is (818) 637-2000.

  • Lakeside Medical Organization, a Medical Group Inc.
    1500 W West Covina Pkwy, West Covina, CA 91790 · Los Angeles CountyPhone(818) 637-2000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Jerome C. Marcos is affiliated with 5 sites of care and 6 medical groups

Jerome Marcos' primary practice is Lakeside Medical Organization, a Medical Group Inc. in West Covina, California. The medical group on file is City of Hope. Dmand AI also links Jerome Marcos to 5 more medical groups and 4 group practices and clinics, each named with a free account.

See all 11 affiliations for Jerome Marcos

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Jerome C. Marcos' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jerome Marcos practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lakeside Medical Organization, a Medical Group Inc.Available with a free account
+4 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Jerome C. Marcos is one of 5,983 nurse practitioners in California

Nurse practitioner is Jerome Marcos' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Jerome Marcos is licensed in California.

Specialties and state licenses

  • Nurse practitioner, CaliforniaPrimaryLicense 11862 · taxonomy 363L00000X

Nurse practitioners near Jerome Marcos

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Jerome C. Marcos' patients have a median age of 64

Across all payers, Dmand AI patient panel data puts Jerome Marcos' median patient age at 64, with 57% women.

Jerome Marcos' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women57%
  • Men42%

Source: Dmand AI Patient Panel Data

Jerome C. Marcos wrote 1,556 Medicare Part D claims in 2024

In 2024, Jerome Marcos wrote 1,556 Medicare Part D claims for 439 patients. 75% of them were for generic drugs.

Part D claims, 20241,556
Part D patients439

Jerome Marcos' Part D claims by kind of drug, 2024

  • Generic1,173 claims75%
  • Brand-name368 claims24%
  • Other15 claims1%

Drug classes CMS tracks in Jerome Marcos' Part D claims, 2024

  • Opioids2%29 of 1,556 claims
  • Antibiotics4%56 of 1,556 claims
  • Antipsychotics, patients 65 and over1%11 of 1,556 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Jerome C. Marcos scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Jerome Marcos for performance year 2024, reported as part of a group. Jerome Marcos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Jerome Marcos' MIPS scores, performance year 2024

  • 81of 100Final score
  • 62.4of 100Quality
  • 76of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Jerome C. Marcos received $50 in industry payments in 2025

CMS Open Payments shows 1 general payment to Jerome Marcos from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Globus Medical, Inc. paid the most, $50.

Companies that paid Jerome Marcos the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Jerome Marcos

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Jerome C. Marcos graduated from Loma Linda University School of Medicine

Jerome Marcos graduated from Loma Linda University School of Medicine in 2010.

  1. Medical schoolLoma Linda University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Jerome C. Marcos's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Jerome C. Marcos

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Jerome C. Marcos' NPI number?

Jerome C. Marcos' NPI number is 1538462999. It was assigned on December 7, 2010, and it is active in the NPI Registry.

What does Jerome C. Marcos specialize in?

Jerome C. Marcos is a nurse practitioner in West Covina, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Jerome C. Marcos practice?

Jerome Marcos practices at 1500 W West Covina Pkwy, West Covina, CA 91790. Jerome Marcos' primary practice is Lakeside Medical Organization, a Medical Group Inc. in West Covina, California. Dmand AI also links Jerome Marcos to 5 medical groups and 4 group practices and clinics.

What is Jerome C. Marcos' office phone number?

The practice phone on file for Jerome Marcos is (818) 637-2000.

What is Jerome C. Marcos' medical license number?

Jerome Marcos holds California license 11862.

What medical group is Jerome C. Marcos part of?

Jerome Marcos is linked to City of Hope. Dmand AI links Jerome Marcos to 5 more medical groups.

Does Jerome C. Marcos accept Medicare?

Yes. CMS lists Jerome Marcos as accepting Medicare assignment.

What is Jerome C. Marcos' MIPS score?

Jerome Marcos' MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

Where did Jerome C. Marcos go to medical school?

Jerome Marcos graduated from Loma Linda University School of Medicine in 2010.

Has Jerome C. Marcos received payments from drug or device companies?

CMS Open Payments shows $50 in general payments to Jerome Marcos from 1 company from 2025 to 2025. The largest total came from Globus Medical, Inc.

How long has Jerome C. Marcos been practicing?

Jerome Marcos graduated from medical school in 2010, 16 years ago.

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