Dr. Jason Marcel Yonker, MD

  • Salisbury, MD
  • Ophthalmologist
NPI1922030907PAC ID7911910674
Medicare services, 2024
4,186
Medicare patients, 2024
1,452
Part D claims, 2024
3,960
MIPS score, 2024
93
Hospital affiliations
1
Practice address
1414 South Salisbury Blvd, Salisbury, MD 21801
Practice phone
Call (410) 749-1191
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Salisbury Surgery Center

Surgery Center - Medicare-Certified · Salisbury, Maryland

See all 4 affiliations

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Dr. Jason Marcel Yonker is an ophthalmologist in Salisbury, Maryland

Dr. Yonker practices at Salisbury Surgery Center in Salisbury, Maryland.

Dr. Yonker's NPI, 1922030907, was assigned on July 7, 2006. Dr. Yonker graduated from West Virginia University School of Medicine in 2002. Dr. Yonker holds Maryland license D67936.

NPI and contact details
Medicare PAC ID
7911910674
NPI enumeration date
July 7, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(410) 749-1191
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
50
Medical school graduation
2002

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

Dr. Jason Marcel Yonker practices at Salisbury Surgery Center in Salisbury, Maryland

Dr. Yonker's primary practice is Salisbury Surgery Center, at 1414 South Salisbury Blvd, Salisbury, MD 21801. The practice phone is (410) 749-1191.

  • Salisbury Surgery Center
    1414 South Salisbury Blvd, Salisbury, MD 21801Phone(410) 749-1191

Source: Dmand AI Affiliation Data

Dr. Jason Marcel Yonker is affiliated with 3 sites of care and 1 medical group

Dr. Yonker's primary practice is Salisbury Surgery Center in Salisbury, Maryland. Dr. Yonker is also affiliated with TidalHealth Atlantic. Dmand AI also links Dr. Yonker to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Yonker

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jason Marcel Yonker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yonker practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Salisbury Surgery CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jason Marcel Yonker is one of 471 ophthalmologists in Maryland

Ophthalmology is Dr. Yonker's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Yonker's licenses on file in 2 states: Maryland and Michigan.

Specialties and state licenses

  • Ophthalmology, MarylandPrimaryLicense D67936 · taxonomy 207W00000X
  • Michigan licenseLicense 4301082293

Ophthalmologists near Dr. Yonker

Counts of ophthalmologists 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

Dr. Jason Marcel Yonker billed Medicare for 4,186 services in 2024

CMS data shows 4,186 Medicare services from Dr. Yonker across 16 procedure codes in 2024, for 1,452 Medicare patients. Medicare paid $394,715 for them.

Medicare services, 20244,186
Medicare patients1,452
Paid by Medicare$394,715
Procedure codes16

Dr. Yonker's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 3,3322024: 3,5155%
Surgery
2023: 5272024: 4936%
Office and hospital visits
2023: 2062024: 10947%
Imaging
2023: 1182024: 6942%

Where Dr. Yonker's Medicare services took place, 2024

  • In an office3,69388%
  • In a facility49312%

Dr. Yonker compared with the Maryland median for ophthalmologists, 2024

  • Dr. Yonker
  • Maryland median
Medicare services
4,186vs 1,3883.0 times
Medicare patients
1,452vs 6232.3 times
Part D claims
3,837vs 38010.1 times

Medians across 487 ophthalmologists in Maryland with Dmand AI profiles that report each measure.

Dr. Yonker'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.

See all procedures by Dr. Yonker

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

Dr. Jason Marcel Yonker treated 1,452 Medicare patients in 2024, average age 76

CMS counts 1,452 Medicare patients who saw Dr. Yonker in 2024. The largest group is 75 to 84, with 641 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Yonker's median patient age at 74, with 58% women.

Medicare patients, 20241,452
Average age76
Average risk score0.99
Also on Medicaid6%

Dr. Yonker's Medicare patients by age, 2024

Dr. Yonker's Medicare patients by sex, 2024

  • Women83858%
  • Men61442%

Chronic conditions among Dr. Yonker's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis46%
  4. Diabetes29%
  5. Ischemic heart disease23%
  6. Anxiety21%
  7. Chronic kidney disease21%
  8. Mood disorders19%

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

Dr. Yonker'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

  • Women58%
  • Men42%

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

Dr. Jason Marcel Yonker wrote 3,960 Medicare Part D claims in 2024

In 2024, Dr. Yonker wrote 3,960 Medicare Part D claims for 797 patients. 68% of them were for generic drugs. CMS names the drug for 3,837 of them, across 24 drugs with 11 or more claims each, at $591,031 in total drug cost. In 2023, CMS named 3,696 claims across 27 drugs.

Part D claims, 20243,960
Drugs named by CMS24
Total drug cost$591,031
Part D patients797

Dr. Yonker's Part D claims by kind of drug, 2024

  • Generic2,681 claims68%
  • Brand-name1,279 claims32%

Dr. Yonker'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3,6962024: 3,8374%

Drugs named by CMS: 24 in 2024, 27 in 2023.

See all prescribing by Dr. Yonker

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

Dr. Jason Marcel Yonker scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Yonker for performance year 2024, reported as part of a group. Dr. Yonker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 335 procedures of cataract surgery by Dr. Yonker, more than 91% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Yonker's MIPS scores, performance year 2024

  • 93of 100Final score
  • 100of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 79of 100Cost

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

Where Dr. Yonker ranks in Medicare procedure volume

Cataract surgery
91st percentile335 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

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Dr. Jason Marcel Yonker received $6,187 in industry payments from 2016 to 2025

CMS Open Payments shows 160 general payments to Dr. Yonker from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. Alcon Laboratories Inc paid the most, $1,274.

General payments to Dr. Yonker by program year, 2016 to 2025

General payments to Dr. Yonker by kind, 2016 to 2025

$6.2Kin total
  • Food and beverage$5,68892%
  • Travel and lodging$3355%
  • Entertainment$611%
  • Education$531%
  • Gifts$501%

Companies that paid Dr. Yonker the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Yonker

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

Dr. Jason Marcel Yonker graduated from West Virginia University School of Medicine

Dr. Yonker graduated from West Virginia University School of Medicine in 2002.

  1. Medical schoolWest Virginia University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Jason Marcel Yonker'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (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 Dr. Jason Marcel Yonker

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

What is Dr. Jason Marcel Yonker's NPI number?

Dr. Jason Marcel Yonker's NPI number is 1922030907. It was assigned on July 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jason Marcel Yonker?

Dr. Jason Marcel Yonker is an ophthalmologist in Salisbury, Maryland. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Jason Marcel Yonker practice?

Dr. Yonker practices at 1414 South Salisbury Blvd, Salisbury, MD 21801. Dr. Yonker's primary practice is Salisbury Surgery Center in Salisbury, Maryland. Dmand AI also links Dr. Yonker to 1 group practice or clinic and 1 medical group.

What is Dr. Jason Marcel Yonker's office phone number?

The practice phone on file for Dr. Yonker is (410) 749-1191.

What is Dr. Jason Marcel Yonker's medical license number?

Dr. Yonker holds Maryland license D67936, one of the licenses on file in 2 states.

Which states has Dr. Jason Marcel Yonker been licensed in?

Dmand AI has state licenses on file for Dr. Yonker in Maryland and Michigan.

Which hospitals is Dr. Jason Marcel Yonker affiliated with?

Dr. Yonker is affiliated with TidalHealth Atlantic.

Does Dr. Jason Marcel Yonker accept Medicare?

Yes. CMS data shows Dr. Yonker billed Medicare for 4,186 services in 2024, and Dr. Yonker accepts Medicare assignment.

What is Dr. Jason Marcel Yonker's MIPS score?

Dr. Yonker's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

How many Medicare patients does Dr. Jason Marcel Yonker see?

CMS counts 1,452 Medicare patients who saw Dr. Yonker in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Jason Marcel Yonker bill to Medicare?

In 2024, Dr. Yonker's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92133).

Where did Dr. Jason Marcel Yonker go to medical school?

Dr. Yonker graduated from West Virginia University School of Medicine in 2002.

What drugs does Dr. Jason Marcel Yonker prescribe most?

In 2024 Medicare Part D data, Dr. Yonker's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Dorzolamide-Timolol.

Has Dr. Jason Marcel Yonker received payments from drug or device companies?

CMS Open Payments shows $6,187 in general payments to Dr. Yonker from 26 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Jason Marcel Yonker been practicing?

Dr. Yonker graduated from medical school in 2002, 24 years ago.

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