Dr. Phyllis S. Loeff, MD
- Medicare services, 2024
- 401
- Medicare patients, 2024
- 24
- Part D claims, 2024
- 53
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 321 Woodland Rd, Highland Park, IL 60035
- Practice phone
- Call (847) 432-5620
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Phyllis S Loeff, MD
Physician office · Highland Park, Illinois
Find Dr. Loeff's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Phyllis S. Loeff is a psychiatrist in Mount Prospect, Illinois
Dr. Loeff practices at Phyllis S Loeff, MD in Highland Park, Illinois.
Dr. Loeff's NPI, 1720140163, was assigned on December 14, 2006.
- NPI
- 1720140163NPI Registry (opens in a new tab)
- NPI enumeration date
- December 14, 2006
- NPI status
- Active
- Practice phone
- (847) 432-5620
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Phyllis S. Loeff practices in Highland Park and Mount Prospect
Dr. Loeff's primary practice is Phyllis S Loeff, MD, at 321 Woodland Rd, Highland Park, IL 60035. The practice phone is (847) 432-5620. The NPI Registry lists Dr. Loeff's practice address as 1660 Feehanville Dr, Mount Prospect, IL 60056.
- Phyllis S Loeff, MDPrimary321 Woodland Rd, Highland Park, IL 60035Phone(847) 432-5620
- NPI Registry address1660 Feehanville Dr, Mount Prospect, IL 60056 · Cook CountyPhone(847) 432-5620
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Phyllis S. Loeff is affiliated with 1 site of care
Dr. Loeff's primary practice is Phyllis S Loeff, MD in Highland Park, Illinois.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Phyllis S. Loeff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loeff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Phyllis S Loeff, MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Phyllis S. Loeff is one of 1,527 psychiatrists in Illinois
Psychiatry is Dr. Loeff's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Loeff has a license on file in Illinois.
Specialties and state licenses
- Psychiatry, Illinois
Psychiatrists near Dr. Loeff
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Phyllis S. Loeff billed Medicare for 401 services in 2024
CMS data shows 401 Medicare services from Dr. Loeff across 1 procedure code in 2024, for 24 Medicare patients. Medicare paid $47,698 for them. Every service was in an office.
Dr. Loeff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4372024: 4018%
Dr. Loeff compared with the Illinois median for psychiatrists, 2024
- Dr. Loeff
- Illinois median
- Medicare services
- 401vs 20398% above
- Medicare patients
- 24vs 6362% below
- Part D claims
- 15vs 17491% below
Medians across 1,588 psychiatrists in Illinois with Dmand AI profiles that report each measure.
Dr. Loeff's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Phyllis S. Loeff treated 24 Medicare patients in 2024, average age 80
CMS counts 24 Medicare patients who saw Dr. Loeff in 2024. The largest group is 75 to 84, with 11 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.12, where 1.00 is the Medicare average.
Dr. Loeff's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Loeff's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Mood disorders67%
- Anxiety63%
- Depression54%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Phyllis S. Loeff wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Loeff wrote 53 Medicare Part D claims. 89% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $290 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Loeff's Part D claims by kind of drug, 2024
- Generic47 claims89%
- Brand-name and other6 claims11%
Dr. Loeff's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 1525%
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for Dr. Phyllis S. Loeff's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Medicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Phyllis S. Loeff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Phyllis S. Loeff's NPI number?
Dr. Phyllis S. Loeff's NPI number is 1720140163. It was assigned on December 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Phyllis S. Loeff?
Dr. Phyllis S. Loeff is a psychiatrist in Mount Prospect, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Phyllis S. Loeff practice?
Dr. Loeff practices at 321 Woodland Rd, Highland Park, IL 60035. Dr. Loeff also practices at 1660 Feehanville Dr, Mount Prospect, IL 60056. Dr. Loeff's primary practice is Phyllis S Loeff, MD in Highland Park, Illinois.
What is Dr. Phyllis S. Loeff's office phone number?
The practice phone on file for Dr. Loeff is (847) 432-5620.
Does Dr. Phyllis S. Loeff accept Medicare?
Yes. CMS data shows Dr. Loeff billed Medicare for 401 services in 2024.
How many Medicare patients does Dr. Phyllis S. Loeff see?
CMS counts 24 Medicare patients who saw Dr. Loeff in 2024, with an average age of 80.
What services does Dr. Phyllis S. Loeff bill to Medicare?
In 2024, Dr. Loeff's most billed Medicare services were psychiatric service (90837).
What drugs does Dr. Phyllis S. Loeff prescribe most?
In 2024 Medicare Part D data, Dr. Loeff's most prescribed drugs by claims were Escitalopram Oxalate.
How long has Dr. Phyllis S. Loeff been practicing?
Dr. Loeff's NPI was assigned in 2006.
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