Phillip H. Markowitz, D.O.
Obstetrics Physician · Park Ridge, IL
Phillip H. Markowitz, D.O. is an obstetrics physician with a practice address in Park Ridge, Illinois, and NPI 1952327876, issued on Jul 14, 2006. Check the license (Illinois 036074864, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Phillip H. Markowitz
- Credential
- D.O.
- Primary taxonomy
- Obstetrics Physician 207VX0000X
- License number
- 036074864 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1875 W Dempster St, Park Ridge, IL 60068
- Phone
- (847) 692-5010
- Enumerated
- Jul 14, 2006
- Record last updated
- Jul 25, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (847) 318-2852
- Medicaid ID
- 036074864 IL
- Medicare enrollment
- Enrolled (PECOS I20100611000653); may accept Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1985
- Entity
- Type 1 · individual
8 nearest obstetrics physician records → All 54 in Illinois → Look up another NPI →
Also registered at 1875 W Dempster St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Phillip H. Markowitz 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 036074864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average obstetrics physician in 2024
47 Medicare Part D claims for 12 beneficiaries, against an average of 218 among the 863 providers of this specialty who prescribed in Part D.
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.
Phillip H. Markowitz among 54 obstetrics physician records in Illinois
Phillip H. Markowitz, D.O. is one of 54 obstetrics physician records with a practice address in Illinois. 80% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 69% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1985 · median 2005 among the 35 with a school on file
- Record last updated2012 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics Physician providers in Illinois
There are 54 obstetrics physician records in Illinois.
All 54 in Illinois → Every provider in Park Ridge → Obstetrics Physician nationwide →
The 8 obstetrics physician records with the nearest ZIP codes
- John Bush, M.D.Park Ridge, IL 600681710120779
- Amy Markese, MDPark Ridge, IL 600681073855805
- Meghal Patel, MD, MPHPark Ridge, IL 600681457768038
- Michael Zebold, MDPark Ridge, IL 600681447955315
- Colleen Murphy, MDNorth Chicago, IL 600641275535502
- Anjali Sawant, MDLake Forest, IL 600451841478047
- Maureen Tart, M.D.Lake Forest, IL 600451770691321
- Christopher Michael, M.D.Elgin, IL 601231770581282
Common questions
What is Phillip H. Markowitz, D.O.'s NPI number?
Phillip H. Markowitz, D.O.'s National Provider Identifier (NPI) is 1952327876, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Phillip H. Markowitz, D.O. located?
The NPPES record lists a practice address at 1875 W Dempster St, Park Ridge, IL, 60068. Phone: (847) 692-5010. Providers update this record themselves, so call before visiting.
How can I verify Phillip H. Markowitz, D.O.'s license?
NPPES lists Illinois license number 036074864, 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 Phillip H. Markowitz, D.O. prescribe under Medicare Part D?
In 2024, Phillip H. Markowitz, D.O. had 47 Medicare Part D claims for 12 beneficiaries; the average among obstetrics physician prescribers was 218. 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.