Dr. John J. Park, MD

  • Park Ridge, IL
  • Colorectal surgeon
NPI1992750020PAC ID0749270775
Medicare services, 2024
952
Medicare patients, 2024
357
Part D claims, 2024
244
Publications
82
MIPS score, 2024
89
Practice address
1550 N Northwest Hwy, Park Ridge, IL 60068
Practice phone
Call (847) 759-1110
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lm Prasad M.D S.C

Park Ridge, Illinois

See all 6 affiliations

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Dr. John J. Park is a colorectal surgeon in Park Ridge, Illinois

Dr. Park practices at Lm Prasad M.D S.C in Park Ridge, Illinois.

Dr. Park's NPI, 1992750020, was assigned on May 24, 2006. Dr. Park graduated from University of Illinois College of Medicine - Chicago in 1995. Dr. Park holds Illinois license 336056651.

NPI and contact details
Medicare PAC ID
0749270775
NPI enumeration date
May 24, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(847) 759-1110
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
51
Medical school graduation
1995

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

Dr. John J. Park practices at Lm Prasad M.D S.C in Park Ridge, Illinois

Dr. Park's primary practice is Lm Prasad M.D S.C, at 1550 N Northwest Hwy, Park Ridge, IL 60068 in Cook County. The practice phone is (847) 759-1110.

  • Lm Prasad M.D S.C
    1550 N Northwest Hwy, Park Ridge, IL 60068 · Cook CountyPhone(847) 759-1110

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

Dr. John J. Park is affiliated with 5 sites of care and 1 medical group

Dr. Park's primary practice is Lm Prasad M.D S.C in Park Ridge, Illinois. Dr. Park is also affiliated with Advocate Lutheran General Hospital. The medical group on file is Chicago Colorectal. Dmand AI also links Dr. Park to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 6 affiliations for Dr. Park

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

Dmand AI tracks the EHR system at Dr. John J. Park's practice

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

EHR by site
SiteEHR vendor and product
Lm Prasad M.D S.CAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John J. Park is one of 78 colorectal surgeons in Illinois

Colon and rectal surgery is Dr. Park's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Park is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Park's licenses on file in 2 states: Illinois and Minnesota.

Specialties and state licenses

  • Colon and rectal surgery, IllinoisPrimaryLicense 336056651 · 1997 to 2026 · taxonomy 208C00000X
  • Minnesota license2001 to 2026

Clinical focus

Dmand AI lists abdominal hernia repair surgery, colonoscopy, colon removal, gastrointestinal bleeding, hemorrhoids and intestinal or bowel obstruction among the conditions Dr. Park treats.

Colorectal surgeons near Dr. Park

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

78colorectal surgeons in Illinois
2colorectal surgeons in Park Ridge

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

Dr. John J. Park billed Medicare for 952 services in 2024

CMS data shows 952 Medicare services from Dr. Park across 17 procedure codes in 2024, for 357 Medicare patients. Medicare paid $83,292 for them.

Medicare services, 2024952
Medicare patients357
Paid by Medicare$83,292
Procedure codes17

Dr. Park's Medicare services by type, 2024

  1. Office and hospital visits670
  2. Surgery211
  3. Tests and treatments58
  4. Imaging13

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

  • In an office62866%
  • In a facility32434%

Dr. Park compared with the Illinois median for colorectal surgeons, 2024

  • Dr. Park
  • Illinois median
Medicare services
952vs 2184.4 times
Medicare patients
357vs 1602.2 times
Part D claims
161vs 10356% above

Medians across 71 colorectal surgeons in Illinois with Dmand AI profiles that report each measure.

Dr. Park'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. Park

Need commercial claims for Dr. Park?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Park and other colorectal surgeons in Illinois.

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

Dr. John J. Park treated 357 Medicare patients in 2024, average age 75

CMS counts 357 Medicare patients who saw Dr. Park in 2024. The largest group is 65 to 74, with 166 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Park's median patient age at 64, with 52% women.

Medicare patients, 2024357
Average age75
Average risk score1.36
Also on Medicaid11%

Dr. Park's Medicare patients by age, 2024

Dr. Park's Medicare patients by sex, 2024

  • Women19655%
  • Men16145%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Cancer38%
  5. Diabetes27%
  6. Ischemic heart disease27%
  7. Anxiety23%
  8. Chronic kidney disease22%

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

Dr. Park's 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

  • Women52%
  • Men48%

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

Dr. John J. Park wrote 244 Medicare Part D claims in 2024

In 2024, Dr. Park wrote 244 Medicare Part D claims for 124 patients. 82% of them were for generic drugs. CMS names the drug for 161 of them, across 7 drugs with 11 or more claims each, at $4,200 in total drug cost.

Part D claims, 2024244
Drugs named by CMS7
Total drug cost$4,200
Part D patients124

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

  • Generic199 claims82%
  • Brand-name45 claims18%

Dr. Park'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 Dr. Park's Part D claims, 2024

  • Opioids6%14 of 244 claims
  • Antibiotics34%82 of 244 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 Dr. Park

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. John J. Park scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Park for performance year 2024, reported as part of a group. Dr. Park accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Park as offering telehealth. CMS counts 90 procedures of colonoscopy by Dr. Park, more than 77% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Park's MIPS scores, performance year 2024

  • 89of 100Final score
  • 90.4of 100Quality
  • 40of 100Improvement Activities
  • 76of 100Cost

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

Where Dr. Park ranks in Medicare procedure volume

Colonoscopy
77th percentile90 procedures

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

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

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. John J. Park has 82 publications on record

Dmand AI links 82 papers to Dr. Park, published from 2007 to 2022. 2016 was the busiest year, with 9. The most frequent topics are Rectal Neoplasms, Digestive System Surgical Procedures and Laparoscopy. Dr. Park has published most often in Dis Colon Rectum. Dr. Park's most frequent co-authors are Slawomir J. Marecik, MD, Kunal Kochar, MD and Jennifer Blumetti, MD.

Papers82
Years published2007 to 2022

Dr. Park's papers by year, 2011 to 2022

Topics Dr. Park writes about most

  • Rectal Neoplasms
  • Digestive System Surgical Procedures
  • Laparoscopy
  • Adenocarcinoma
  • Postoperative Complications
  • Robotics
  • Robotic Surgical Procedures
  • Colectomy

Dr. Park's most frequent co-authors

Recent publications by Dr. Park

See all 82 publications and co-authors

See who Dr. Park researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Park works with, so you can find a warm path to the right colorectal surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John J. Park received $2,694 in industry payments from 2024 to 2025

CMS Open Payments shows 22 general payments to Dr. Park from 11 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 52% of the total. Axonics, Inc. paid the most, $1,487.

General payments to Dr. Park by program year, 2024 to 2025

General payments to Dr. Park by kind, 2024 to 2025

$2.7Kin total
  • Food and beverage$1,38852%
  • Travel and lodging$1,30648%

Companies that paid Dr. Park the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Park

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

Dr. John J. Park has 6 awards and honors on record

Dmand AI lists 6 awards for Dr. Park, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Park

  1. 2013
    • CMS Stage 1 EHR
  2. 2011
    • Lloyd M. Nyhus Award Recipient for Academic Excellence
  3. 2010
    • Robert L. Schmitz Award Recipient for Teacher of the Year
  4. 1998
    • William C. Bernstein Award Recipient for Outstanding Research
  5. Undated
    • ACS Fellow
    • Checkbook Top Doc

Source: Dmand AI Professional Profile Data

Dr. John J. Park graduated from University of Illinois College of Medicine - Chicago

Dr. Park graduated from University of Illinois College of Medicine - Chicago in 1995. Dr. Park is a member of ACS, ASCRS and SAGES.

  1. Medical schoolUniversity of Illinois College of Medicine - Chicago
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery
  3. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. John J. Park accepts plans from 16 insurance carriers

Dr. Park is in network with 16 carriers, including Elevance, Aetna and HCSC. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Park accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO9
  4. POS7
  5. EPO4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. John J. Park'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. John J. Park

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. John J. Park's NPI number?

Dr. John J. Park's NPI number is 1992750020. It was assigned on May 24, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John J. Park?

Dr. John J. Park is a colorectal surgeon in Park Ridge, Illinois. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Dr. John J. Park practice?

Dr. Park practices at 1550 N Northwest Hwy, Park Ridge, IL 60068. Dr. Park's primary practice is Lm Prasad M.D S.C in Park Ridge, Illinois. Dmand AI also links Dr. Park to 1 hospital, 1 group practice or clinic and 1 home health agency.

What is Dr. John J. Park's office phone number?

The practice phone on file for Dr. Park is (847) 759-1110.

What is Dr. John J. Park's medical license number?

Dr. Park holds Illinois license 336056651, one of the licenses on file in 2 states.

Which states has Dr. John J. Park been licensed in?

Dmand AI has state licenses on file for Dr. Park in Illinois (1997 to 2026) and Minnesota (2001 to 2026).

Which hospitals is Dr. John J. Park affiliated with?

Dr. Park is affiliated with Advocate Lutheran General Hospital. Dmand AI links Dr. Park to 1 more hospital.

What medical group is Dr. John J. Park part of?

Dr. Park is linked to Chicago Colorectal.

Does Dr. John J. Park accept Medicare?

Yes. CMS data shows Dr. Park billed Medicare for 952 services in 2024, and Dr. Park accepts Medicare assignment.

Does Dr. John J. Park offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Park as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. John J. Park's MIPS score?

Dr. Park's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

How many Medicare patients does Dr. John J. Park see?

CMS counts 357 Medicare patients who saw Dr. Park in 2024, with an average age of 75.

Is Dr. John J. Park board certified?

Yes. Dr. Park is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

What services does Dr. John J. Park bill to Medicare?

In 2024, Dr. Park's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and office visit, new patient (99204).

Where did Dr. John J. Park go to medical school?

Dr. Park graduated from University of Illinois College of Medicine - Chicago in 1995.

What drugs does Dr. John J. Park prescribe most?

In 2024 Medicare Part D data, Dr. Park's most prescribed drugs by claims were Metronidazole, Neomycin Sulfate and Cholestyramine.

Has Dr. John J. Park received payments from drug or device companies?

CMS Open Payments shows $2,694 in general payments to Dr. Park from 11 companies from 2024 to 2025. The largest total came from Axonics, Inc.

How long has Dr. John J. Park been practicing?

Dr. Park graduated from medical school in 1995, 31 years ago.

Does Dr. John J. Park do research?

Dmand AI links 82 publications to Dr. Park, published from 2007 to 2022.

Who does Dr. John J. Park publish with?

Dr. Park's most frequent co-authors are Slawomir J. Marecik, MD (37 shared papers), Kunal Kochar, MD (15 shared papers) and Jennifer Blumetti, MD (4 shared papers).

What insurance does Dr. John J. Park accept?

Dr. Park is in network with 16 carriers, including Elevance, Aetna and HCSC. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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