NPPES file of Aug 9, 2026

Sebastian Joseph, MD

Family Medicine Physician · Chicago, IL

Sebastian Joseph, MD is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1790004380, issued on May 22, 2010. Check the license (Illinois 336.086678, 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
1790004380
Name
Sebastian Joseph
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
336.086678 IL
Self-reported in NPPES; status is on the state search
Practice location
10830 S Halsted St, Chicago, IL 60628
Phone
(773) 785-8000
Enumerated
May 22, 2010
Record last updated
Dec 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(312) 533-2818
Medicare enrollment
Enrolled (PECOS I20100715000051); accepts Medicare assignment
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 10830 S Halsted St

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

  1. Johny AbrahamFamily Nurse Practitioner1548724578
  2. Edwin Ekong, D.O.Family Medicine Physician1043376569
  3. Jeffrey Perman, D.D.S.General Practice Dentistry1356474696

Verify Sebastian Joseph 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 336.086678
    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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2.5 times the Medicare Part D claims of the average family medicine physician in 2024

8,831 Medicare Part D claims for 478 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 433 claims were for opioids.

  1. Sebastian Joseph8,831
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium429 claims
  2. Tramadol Hcl410 claims
  3. Amlodipine Besylate387 claims
  4. Albuterol Sulfate Hfa380 claims
  5. Gabapentin234 claims
  6. Famotidine226 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: $1,013.82

56 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sebastian Joseph$1,013.82
  2. Specialty average$902.55

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. Seby S CChicago, IL

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

Sebastian Joseph among 6,215 family medicine physician records in Illinois

Sebastian Joseph, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 57% of them.

  • NPI issued2010 · 57% of these records are older, 41% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2001 · median 2006 among the 3,714 with a school on file
  • Record last updated2021 · 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 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,593 family medicine physician records list a practice address in Chicago

They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jai Arya, MDChicago, IL 606281225135940
  2. Chong Chen, MDChicago, IL 606281932140118
  3. Chun Chen, M.D.Chicago, IL 606281740361898
  4. Kristine Delgado, MDChicago, IL 606281063508075
  5. Edwin Ekong, D.O.Chicago, IL 606281043376569
  6. Kimberly Johnson-Davis, MDChicago, IL 606281346407319
  7. Virgilio Jonson, MDChicago, IL 606281376561084
  8. Chien Ko, MDChicago, IL 606281023066917

Common questions

What is Sebastian Joseph, MD's NPI number?

Sebastian Joseph, MD's National Provider Identifier (NPI) is 1790004380, issued on May 22, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Sebastian Joseph, MD located?

The NPPES record lists a practice address at 10830 S Halsted St, Chicago, IL, 60628. Phone: (773) 785-8000. Providers update this record themselves, so call before visiting.

How can I verify Sebastian Joseph, MD's license?

NPPES lists Illinois license number 336.086678, 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 Sebastian Joseph, MD prescribe under Medicare Part D?

In 2024, Sebastian Joseph, MD had 8,831 Medicare Part D claims for 478 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.