Phyllis S. Loeff, M.D.
Psychiatry Physician · Highland Park, IL
Phyllis S. Loeff, M.D. is a psychiatry physician with a practice address in Highland Park, Illinois, and NPI 1720140163, issued on Dec 14, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Phyllis S. Loeff
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- Practice location
- 321 Woodland RD, Highland Park, IL 60035
- Phone
- (847) 432-5620
- Enumerated
- Dec 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (847) 432-9688
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Verify Phyllis S. Loeff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatry physician in 2024
53 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Escitalopram Oxalate15 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.
Phyllis S. Loeff among 2,147 psychiatry physician records in Illinois
Phyllis S. Loeff, M.D. is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 65% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 psychiatry physician records list a practice address in Highland Park
They are 17 of the 882 NPPES records with a practice address in Highland Park, and 2,147 psychiatry physician records in Illinois.
All 2,147 in Illinois → Every provider in Highland Park → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Bulbul Bahuguna, MDHighland Park, IL 600351912981366
- Lee Becker, MDHighland Park, IL 600351407952658
- Arnold Dinner, MDHighland Park, IL 600351144388307
- Michelle FieldHighland Park, IL 600351639106693
- Lauren JackerHighland Park, IL 600351154320042
- Joshua Nathan, MDHighland Park, IL 600351720048572
- Bruce Roberts, MDHighland Park, IL 600351912974684
- Harley Rubens, M.D.Highland Park, IL 600351760435663
Common questions
What is Phyllis S. Loeff, M.D.'s NPI number?
Phyllis S. Loeff, M.D.'s National Provider Identifier (NPI) is 1720140163, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Phyllis S. Loeff, M.D. located?
The NPPES record lists a practice address at 321 Woodland RD, Highland Park, IL, 60035. Phone: (847) 432-5620. Providers update this record themselves, so call before visiting.
How can I verify Phyllis S. Loeff, M.D.'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 Phyllis S. Loeff, M.D. prescribe under Medicare Part D?
In 2024, Phyllis S. Loeff, M.D. had 53 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.