Clarence A. Parks, M.D.
Pediatrics Physician · Chicago, IL
Clarence A. Parks, M.D. is a pediatrics physician with a practice address in Chicago, Illinois, and NPI 1245203512, issued on Feb 8, 2006. Check the license (Illinois 036-105357, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Clarence A. Parks
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- 036-105357 IL
036105357 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1645 W Jackson Blvd, Chicago, IL 60612
- Phone
- (312) 942-6800
- Enumerated
- Feb 8, 2006
- Record last updated
- Jun 3, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (312) 942-3551
- Medicaid ID
- 036105351 IL
- Medicare enrollment
- Enrolled (PECOS I20090611000684); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 1997
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 3,176 in Illinois → Look up another NPI →
Also registered at 1645 W Jackson Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eric Brown, M.D.Obstetrics & Gynecology Physician1356303663
- Kathryn Carroll, LCSWClinical Social Worker1992999114
Verify Clarence A. Parks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-105357Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average pediatrics physician in 2024
400 Medicare Part D claims for 108 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Biktarvy32 claims
- Pantoprazole Sodium24 claims
- Peg 3350-Electrolyte24 claims
- Sod Sulf-Potass Sulf-Mag Sulf17 claims
- Atorvastatin Calcium15 claims
- Azithromycin13 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 practice group's MIPS final score for 2023 (Medicare payment program): 82.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $70.31
3 payments; by number, the most common kind was food and beverage; the largest payer was Emd Serono, Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Freeport Memorial HospitalFreeport, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clarence A. Parks among 3,176 pediatrics physician records in Illinois
Clarence A. Parks, M.D. is one of 3,176 pediatrics physician records with a practice address in Illinois. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileYes · 7% of these records are
- Graduated1997 · median 2010 among the 235 with a school on file
- Record last updated2009 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,142 pediatrics physician records list a practice address in Chicago
They are 1,142 of the 63,379 NPPES records with a practice address in Chicago, and 3,176 pediatrics physician records in Illinois.
All 3,176 in Illinois → Every provider in Chicago → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Rolanco Balagtas, M.D.Chicago, IL 606121417987363
- Edmundo Cortez, M.D.Chicago, IL 606121386675098
- Carrie Drazba, M.D.Chicago, IL 606121124095385
- Armand Gonzalzles, M.D.Chicago, IL 606121104823228
- Mary Lewis, MDChicago, IL 606121568492940
- Gina Lowell, M.D.Chicago, IL 606121487605143
- Mita Patel, M.D.Chicago, IL 606121447299672
- Margaret Scotellaro, M.D.Chicago, IL 606121154398238
Common questions
What is Clarence A. Parks, M.D.'s NPI number?
Clarence A. Parks, M.D.'s National Provider Identifier (NPI) is 1245203512, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clarence A. Parks, M.D. located?
The NPPES record lists a practice address at 1645 W Jackson Blvd, Chicago, IL, 60612. Phone: (312) 942-6800. Providers update this record themselves, so call before visiting.
How can I verify Clarence A. Parks, M.D.'s license?
NPPES lists Illinois license number 036-105357, 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 Clarence A. Parks, M.D. prescribe under Medicare Part D?
In 2024, Clarence A. Parks, M.D. had 400 Medicare Part D claims for 108 beneficiaries; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.
What is Clarence A. Parks, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.6 of 100, reported for the practice group. 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.