NPPES file of Aug 9, 2026

Ross A. Slotten, MD

Adult Medicine Physician · Chicago, IL

Ross A. Slotten, MD is an adult medicine physician with a practice address in Chicago, Illinois, and NPI 1619089174, issued on Aug 31, 2006. Check the license (Illinois 036064610, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619089174
Name
Ross A. Slotten
Credential
MD
Primary taxonomy
Adult Medicine Physician 207QA0505X
License number
036064610 IL
Self-reported in NPPES; status is on the state search
Practice location
711 W North Ave, Chicago, IL 60610
Phone
(312) 280-0996
Enumerated
Aug 31, 2006
Record last updated
Mar 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(312) 280-8789
Medicaid ID
036064610 IL
Medicare enrollment
Enrolled (PECOS I20101215000977); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 1981
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 711 W North Ave

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

  1. Robert Didomenico, D.C.Chiropractor1538251517
  2. Jean Engelkemeir, MDFamily Medicine Physician1104996115
  3. Diana Fatyga, M.D.Family Medicine Physician1720490741
  4. Rhonda Faulkner, PH.D.Marriage & Family Therapist1932322583
  5. Kristen Gallagher, DOObstetrics & Gynecology Physician1881049583
  6. Luis Garcia, M.D.Family Medicine Physician1598874398

Verify Ross A. Slotten 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 036064610
    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

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2.2 times the Medicare Part D claims of the average adult medicine physician in 2024

6,732 Medicare Part D claims for 445 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 134 claims were for opioids.

  1. Ross Slotten6,732
  2. Specialty average3,002

Most prescribed

  1. Atorvastatin Calcium439 claims
  2. Losartan Potassium253 claims
  3. Alprazolam219 claims
  4. Amlodipine Besylate189 claims
  5. Metoprolol Succinate163 claims
  6. Genvoya149 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: $13.20

1 payment: food and beverage; the largest payer was ViiV Healthcare Company. The 664 providers of this specialty with any payment received $1,405.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ross Slotten$13.20
  2. Specialty average$1,405.95

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

  1. Presence Healthcare ServicesChicago, IL

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

Ross A. Slotten among 72 adult medicine physician records in Illinois

Ross A. Slotten, MD is one of 72 adult medicine physician records with a practice address in Illinois. 56% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 53% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated1981 · median 2004 among the 30 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Medicine Physician providers in Illinois

There are 72 adult medicine physician records in Illinois.

The 8 adult medicine physician records with the nearest ZIP codes

  1. Thomas Klein, MDChicago, IL 606101588776017
  2. Roberto Diaz, MDChicago, IL 606081255462578
  3. Gloria Osei-Tutu, APRNChicago, IL 606081649039520
  4. Sunali Singh, M.D.Chicago, IL 606121124077854
  5. Mitchele Hogan, MDChicago, IL 606071063507127
  6. Sandra Valdez, RNChicago, IL 606071538088745
  7. Brandi AdkinsChicago, IL 606061164370250
  8. Gary Bucher, MDChicago, IL 606141770664856

Common questions

What is Ross A. Slotten, MD's NPI number?

Ross A. Slotten, MD's National Provider Identifier (NPI) is 1619089174, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ross A. Slotten, MD located?

The NPPES record lists a practice address at 711 W North Ave, Chicago, IL, 60610. Phone: (312) 280-0996. Providers update this record themselves, so call before visiting.

How can I verify Ross A. Slotten, MD's license?

NPPES lists Illinois license number 036064610, 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 Ross A. Slotten, MD prescribe under Medicare Part D?

In 2024, Ross A. Slotten, MD had 6,732 Medicare Part D claims for 445 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.