Mark Sack, DPM
Foot & Ankle Surgery Podiatrist · Chicago, IL
Mark Sack, DPM is a foot & ankle surgery podiatrist with a practice address in Chicago, Illinois, and NPI 1548286313, issued on Jul 14, 2006. Check the license (Illinois 016005080, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Sack
- Credential
- DPM
- Primary taxonomy
- Foot & Ankle Surgery Podiatrist 213ES0103X
- License number
- 016005080 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3216 W 115TH St, Chicago, IL 60655
- Phone
- (773) 238-7270
- Enumerated
- Jul 14, 2006
- Record last updated
- Jul 16, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (773) 238-9627
- Medicaid ID
- 016005080 IL
- Medicare enrollment
- Enrolled (PECOS I20040429001103); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest foot & ankle surgery podiatrist records → All 602 in Illinois → Look up another NPI →
Verify Mark Sack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 016005080Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average foot & ankle surgery podiatrist in 2024
62 Medicare Part D claims for 34 beneficiaries, against an average of 335 among the 7,761 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Gabapentin16 claims
- Cephalexin13 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.
Industry payments in 2024: $159.54
5 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 6,936 providers of this specialty with any payment received $2,972.24 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
- D And S Podiatry LLCBartlett, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Sack among 602 foot & ankle surgery podiatrist records in Illinois
Mark Sack, DPM is one of 602 foot & ankle surgery podiatrist records with a practice address in Illinois. 82% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 64% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1999 · median 2009 among the 434 with a school on file
- Record last updated2014 · 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 213ES0103X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Foot & Ankle Surgery Podiatrist providers in Illinois
There are 602 foot & ankle surgery podiatrist records in Illinois.
All 602 in Illinois → Every provider in Chicago → Foot & Ankle Surgery Podiatrist nationwide →
The 8 foot & ankle surgery podiatrist records with the nearest ZIP codes
- John Hamm, D.P.MChicago, IL 606551740369966
- Lance Lundie, DPMChicago, IL 606551245976075
- Robert Sheffey, DPMChicago, IL 606551063417830
- Natalie Domek, DPMChicago, IL 606561922360577
- Charles Han, D.P.MChicago, IL 606541992967590
- Joshua Hedman, DPMChicago, IL 606541316911076
- Timothy Kruse, DPMChicago, IL 606541831195841
- Ellen Rubin, D.P.MChicago, IL 606541568626554
Common questions
What is Mark Sack, DPM's NPI number?
Mark Sack, DPM's National Provider Identifier (NPI) is 1548286313, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Sack, DPM located?
The NPPES record lists a practice address at 3216 W 115TH St, Chicago, IL, 60655. Phone: (773) 238-7270. Providers update this record themselves, so call before visiting.
How can I verify Mark Sack, DPM's license?
NPPES lists Illinois license number 016005080, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Sack, DPM prescribe under Medicare Part D?
In 2024, Mark Sack, DPM had 62 Medicare Part D claims for 34 beneficiaries; the average among foot & ankle surgery podiatrist prescribers was 335. Part D covers Medicare prescriptions only.
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.