Omar Jay On, PA-C

  • Chico, CA
  • Physician assistant
NPI1295889871PAC ID4284736018
Medicare services, 2024
12,536
Medicare patients, 2024
1,856
Part D claims, 2024
1,437
MIPS score, 2024
75
Hospital affiliations
3
Practice address
774 East Ave, Chico, CA 95926
Practice phone
Call (530) 774-2650
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Chico Dermatology Inc

Chico, California

See all 6 affiliations

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Omar Jay On is a physician assistant in Chico, California

Omar On practices at Chico Dermatology Inc in Chico, California.

Omar On's NPI, 1295889871, was assigned on January 22, 2007. Omar On holds California license PA12548.

NPI and contact details
Medicare PAC ID
4284736018
NPI enumeration date
January 22, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(530) 774-2650
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

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

Omar Jay On practices at Chico Dermatology Inc in Chico, California

Omar On's primary practice is Chico Dermatology Inc, at 774 East Ave, Chico, CA 95926 in Butte County. The practice phone is (530) 774-2650.

  • Chico Dermatology Inc
    774 East Ave, Chico, CA 95926 · Butte CountyPhone(530) 774-2650

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

Omar Jay On is affiliated with 5 sites of care and 1 medical group

Omar On's primary practice is Chico Dermatology Inc in Chico, California. Omar On is also affiliated with Enloe Health. The medical group on file is Chico Dermatology. Dmand AI also links Omar On to 2 more hospitals and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Omar On

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

Dmand AI tracks the EHR system at Omar Jay On's practice

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

EHR by site
SiteEHR vendor and product
Chico Dermatology IncAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Omar Jay On is one of 11,482 physician assistants in California

Physician assistant is Omar On's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Omar On is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA12548 · taxonomy 363A00000X

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cold sores or genital herpes, contact dermatitis, facial skin infection, hives and itchy rashes among the conditions Omar On treats.

Physician assistants near Omar On

Counts of physician assistants 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

Omar Jay On billed Medicare for 12,536 services in 2024

CMS data shows 12,536 Medicare services from Omar On across 19 procedure codes in 2024, for 1,856 Medicare patients. Medicare paid $398,209 for them. Every service was in an office.

Medicare services, 202412,536
Medicare patients1,856
Paid by Medicare$398,209
Procedure codes19

Omar On's Medicare services by type, 2024

  1. Surgery8,137
  2. Office and hospital visits2,936
  3. Drugs given in the office1,253
  4. Tests and treatments210

Omar On compared with the California median for physician assistants, 2024

  • Omar On
  • California median
Medicare services
12,536vs 20461.5 times
Medicare patients
1,856vs 10517.7 times
Part D claims
1,282vs 2435.3 times

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Omar On's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Omar Jay On treated 1,856 Medicare patients in 2024, average age 74

CMS counts 1,856 Medicare patients who saw Omar On in 2024. The largest group is 65 to 74, with 981 patients. 72% of them have high cholesterol, and 64% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.86, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Omar On's median patient age at 74, with 50% women.

Medicare patients, 20241,856
Average age74
Average risk score0.86
Also on Medicaid5%

Omar On's Medicare patients by age, 2024

Omar On's Medicare patients by sex, 2024

  • Women90949%
  • Men94751%

Chronic conditions among Omar On's Medicare patients, 2024

  1. High cholesterol72%
  2. High blood pressure64%
  3. Arthritis35%
  4. Diabetes19%
  5. Ischemic heart disease17%
  6. Atrial fibrillation16%
  7. Chronic kidney disease16%
  8. Mood disorders15%

Share of Medicare patients with each condition. A patient can have several.

Omar On's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women50%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Omar Jay On wrote 1,437 Medicare Part D claims in 2024

In 2024, Omar On wrote 1,437 Medicare Part D claims for 491 patients. 91% of them were for generic drugs. CMS names the drug for 1,282 of them, across 25 drugs with 11 or more claims each, at $579,182 in total drug cost.

Part D claims, 20241,437
Drugs named by CMS25
Total drug cost$579,182
Part D patients491

Omar On's Part D claims by kind of drug, 2024

  • Generic1,311 claims91%
  • Brand-name126 claims9%

Omar On's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Omar On's Part D claims, 2024

  • Antibiotics8%113 of 1,437 claims

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

See all prescribing by Omar On

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Omar Jay On scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Omar On for performance year 2024, reported individually. Omar On accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

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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Omar Jay On received $18,926 in industry payments from 2024 to 2025

CMS Open Payments shows 360 general payments to Omar On from 25 drug and device companies from 2024 to 2025. Speaker and faculty fees make up the largest share, 44% of the total. Incyte Corporation paid the most, $7,879.

General payments to Omar On by program year, 2024 to 2025

General payments to Omar On by kind, 2024 to 2025

$18.9Kin total
  • Speaker and faculty fees$8,32544%
  • Food and beverage$6,00332%
  • Travel and lodging$2,64514%
  • Consulting fees$1,6509%
  • Education$3042%

Companies that paid Omar On the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Omar On

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

Sources for Omar Jay On'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare 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)
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 Omar Jay On

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

What is Omar Jay On's NPI number?

Omar Jay On's NPI number is 1295889871. It was assigned on January 22, 2007, and it is active in the NPI Registry.

What does Omar Jay On specialize in?

Omar Jay On is a physician assistant in Chico, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Omar Jay On practice?

Omar On practices at 774 East Ave, Chico, CA 95926. Omar On's primary practice is Chico Dermatology Inc in Chico, California. Dmand AI also links Omar On to 2 hospitals and 1 group practice or clinic.

What is Omar Jay On's office phone number?

The practice phone on file for Omar On is (530) 774-2650.

What is Omar Jay On's medical license number?

Omar On holds California license PA12548.

Which hospitals is Omar Jay On affiliated with?

Omar On is affiliated with Enloe Health. Dmand AI links Omar On to 2 more hospitals.

What medical group is Omar Jay On part of?

Omar On is linked to Chico Dermatology.

Does Omar Jay On accept Medicare?

Yes. CMS data shows Omar On billed Medicare for 12,536 services in 2024, and Omar On accepts Medicare assignment.

What is Omar Jay On's MIPS score?

Omar On's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Omar Jay On see?

CMS counts 1,856 Medicare patients who saw Omar On in 2024, with an average age of 74.

Show 4 more questionsShow fewer questions

What services does Omar Jay On bill to Medicare?

In 2024, Omar On's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and injected or infused drug (J3301).

What drugs does Omar Jay On prescribe most?

In 2024 Medicare Part D data, Omar On's most prescribed drugs by claims were Triamcinolone Acetonide, Mupirocin and Clobetasol Propionate.

Has Omar Jay On received payments from drug or device companies?

CMS Open Payments shows $18,926 in general payments to Omar On from 25 companies from 2024 to 2025. The largest total came from Incyte Corporation.

How long has Omar Jay On been practicing?

Omar On graduated from medical school in 1989, 37 years ago.

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