NPPES file of Aug 9, 2026

Sook Hyeon Park, M.D.

Nephrology Physician · Chicago, IL

Sook Hyeon Park, M.D. is a nephrology physician with a practice address in Chicago, Illinois, and NPI 1518147693, issued on Nov 6, 2007. Check the license (Illinois 036124115, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518147693
Name
Sook Hyeon Park
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
036124115 IL
Self-reported in NPPES; status is on the state search
Practice location
676 N Saint Clair St Ste 1900, Chicago, IL 60611
Phone
(312) 926-2000
Enumerated
Nov 6, 2007
Record last updated
May 14, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180816000649); accepts Medicare assignment
Medical or professional school
University College Of Medicine, 2004
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 676 N Saint Clair St Ste 1900

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Akansha Agrawal, MDNephrology Physician1396280905
  2. Mohammed Javeed Ansari, M.D.Nephrology Physician1487688131
  3. Daniel Borja Cacho, MDTransplant Surgery Physician1710211503
  4. Amishi Desai, D.O.Nephrology Physician1588844070
  5. Lauren Edgar, MDTransplant Surgery Physician1497214878
  6. Bing Ho, MDNephrology Physician1881771731

Verify Sook Hyeon Park in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036124115
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3% more Medicare Part D claims than the average nephrology physician in 2024

1,504 Medicare Part D claims for 235 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Sook Hyeon Park1,504
  2. Specialty average1,465

Most prescribed

  1. Sulfamethoxazole-Trimethoprim402 claims
  2. Carvedilol132 claims
  3. Prednisone104 claims
  4. Nifedipine Er74 claims
  5. Cinacalcet Hcl54 claims
  6. Losartan Potassium54 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Northwestern Medical Faculty FoundationChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sook Hyeon Park among 572 nephrology physician records in Illinois

Sook Hyeon Park, M.D. is one of 572 nephrology physician records with a practice address in Illinois. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 43% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2004 · median 2002 among the 433 with a school on file
  • Record last updated2018 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Illinois

There are 572 nephrology physician records in Illinois.

The 8 nephrology physician records with the nearest ZIP codes

  1. Shubhada Ahya, MDChicago, IL 606111336138767
  2. Mohammed Javeed Ansari, M.D.Chicago, IL 606111487688131
  3. Daniel Battle, MDChicago, IL 606111457325037
  4. Eudora Eng, M.D.Chicago, IL 606111639261621
  5. John Friedewald, MDChicago, IL 606111508801093
  6. Lorenzo Gallon, MDChicago, IL 606111427093848
  7. Cybele Ghossein, MDChicago, IL 606111376588830
  8. Bing Ho, MDChicago, IL 606111881771731

Common questions

What is Sook Hyeon Park, M.D.'s NPI number?

Sook Hyeon Park, M.D.'s National Provider Identifier (NPI) is 1518147693, issued on Nov 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sook Hyeon Park, M.D. located?

The NPPES record lists a practice address at 676 N Saint Clair St Ste 1900, Chicago, IL, 60611. Phone: (312) 926-2000. Providers update this record themselves, so call before visiting.

How can I verify Sook Hyeon Park, M.D.'s license?

NPPES lists Illinois license number 036124115, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sook Hyeon Park, M.D. prescribe under Medicare Part D?

In 2024, Sook Hyeon Park, M.D. had 1,504 Medicare Part D claims for 235 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Sook Hyeon Park, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.