NPPES file of Aug 9, 2026

Jack A. Doah, D.O.

Obstetrics & Gynecology Physician · Orland Park, IL

Jack A. Doah, D.O. is an obstetrics & gynecology physician with a practice address in Orland Park, Illinois, and NPI 1881748135, issued on Jan 23, 2007. Check the license 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
1881748135
Name
Jack A. Doah
Credential
D.O.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
Practice location
16609 107TH St, Orland Park, IL 60467
Phone
(708) 645-8080
Enumerated
Jan 23, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(708) 645-8081
Medicare enrollment
Enrolled (PECOS I20041109000388); 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 16609 107TH St

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

  1. Sam Flosi, D.O.Obstetrics & Gynecology Physician1164538161

Verify Jack A. Doah in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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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11% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

147 Medicare Part D claims for 58 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Jack Doah147
  2. Specialty average165

Most prescribed

  1. Alendronate Sodium21 claims
  2. Premarin19 claims
  3. Estradiol18 claims
  4. Fluconazole16 claims
  5. Raloxifene Hcl12 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: $421.66

19 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jack Doah$421.66
  2. Specialty average$1,030.61

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. Lawn Obstetrics And Gynecology SCOrland Park, IL

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

Jack A. Doah among 2,062 obstetrics & gynecology physician records in Illinois

Jack A. Doah, D.O. is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% 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, 47% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1994 · median 2006 among the 1,168 with a school on file
  • Record last updated2007 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 obstetrics & gynecology physician records list a practice address in Orland Park

They are 21 of the 1,925 NPPES records with a practice address in Orland Park, and 2,062 obstetrics & gynecology physician records in Illinois.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. James Bray, MDOrland Park, IL 604671659384378
  2. Michael Brusca, MDOrland Park, IL 604671881605830
  3. Jessica Dy-Johnson, M.D.Orland Park, IL 604671750693966
  4. Sam Flosi, D.O.Orland Park, IL 604671164538161
  5. Thomas Iannucci, M.D.Orland Park, IL 604671851687453
  6. Alka Kale, MDOrland Park, IL 604671801894969
  7. Calvin Mar, MDOrland Park, IL 604671972514925
  8. Edward Ryan, MDOrland Park, IL 604671447251053

Common questions

What is Jack A. Doah, D.O.'s NPI number?

Jack A. Doah, D.O.'s National Provider Identifier (NPI) is 1881748135, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jack A. Doah, D.O. located?

The NPPES record lists a practice address at 16609 107TH St, Orland Park, IL, 60467. Phone: (708) 645-8080. Providers update this record themselves, so call before visiting.

How can I verify Jack A. Doah, D.O.'s license?

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 Jack A. Doah, D.O. prescribe under Medicare Part D?

In 2024, Jack A. Doah, D.O. had 147 Medicare Part D claims for 58 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.