Dr. Peter Leigh Longstreet, MD
- Medicare services, 2024
- 81
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 93
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 2600 S Michigan Ave, Chicago, IL 60616
- Practice phone
- Call (312) 326-1792
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Women's Progressive Healthcare
Chicago, Illinois
Find Dr. Longstreet's professional email, personal email and mobile number
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Dr. Peter Leigh Longstreet is a psychiatrist in Chicago, Illinois
Dr. Longstreet practices at Women's Progressive Healthcare in Chicago, Illinois.
Dr. Longstreet's NPI, 1366573990, was assigned on March 7, 2007. Dr. Longstreet graduated from University of Texas Medical School at San Antonio in 1989. Dr. Longstreet holds South Carolina license 52617.
- NPI
- 1366573990NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931234374
- NPI enumeration date
- March 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 326-1792
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Leigh Longstreet practices at Women's Progressive Healthcare in Chicago, Illinois
Dr. Longstreet's primary practice is Women's Progressive Healthcare, at 2600 S Michigan Ave, Chicago, IL 60616 in Cook County. The practice phone is (312) 326-1792.
- Women's Progressive Healthcare2600 S Michigan Ave, Chicago, IL 60616 · Cook CountyPhone(312) 326-1792
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Peter Leigh Longstreet is affiliated with 2 sites of care and 2 medical groups
Dr. Longstreet's primary practice is Women's Progressive Healthcare in Chicago, Illinois. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Longstreet to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Peter Leigh Longstreet's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Longstreet practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Women's Progressive Healthcare | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Leigh Longstreet is one of 1,527 psychiatrists in Illinois
Psychiatry is Dr. Longstreet's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Longstreet's licenses on file in 2 states: South Carolina and Michigan.
Specialties and state licenses
- Psychiatry, South CarolinaPrimary
- Michigan license
Psychiatrists near Dr. Longstreet
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. Peter Leigh Longstreet billed Medicare for 81 services in 2024
CMS data shows 81 Medicare services from Dr. Longstreet across 1 procedure code in 2024, all of them office visits, for 15 Medicare patients. Medicare paid $6,748 for them. Every service was in an office.
Dr. Longstreet's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 932024: 8113%
Dr. Longstreet compared with the Illinois median for psychiatrists, 2024
- Dr. Longstreet
- Illinois median
- Medicare services
- 81vs 20360% below
- Medicare patients
- 15vs 6376% below
- Part D claims
- 18vs 17490% below
Medians across 1,588 psychiatrists in Illinois with Dmand AI profiles that report each measure.
Dr. Longstreet'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. Peter Leigh Longstreet treated 15 Medicare patients in 2024, average age 68
CMS counts 15 Medicare patients who saw Dr. Longstreet in 2024. 75% of them have anxiety, and 75% have mood disorders. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Longstreet's median patient age at 58, with 64% women.
Chronic conditions among Dr. Longstreet's Medicare patients, 2024
- Anxiety75%
- Mood disorders75%
- High cholesterol73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Longstreet's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Leigh Longstreet wrote 93 Medicare Part D claims in 2024
In 2024, Dr. Longstreet wrote 93 Medicare Part D claims. 96% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $122 in total drug cost. In 2023, CMS named 17 claims across 1 drug.
Dr. Longstreet's Part D claims by kind of drug, 2024
- Generic89 claims96%
- Brand-name and other4 claims4%
Dr. Longstreet'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: 172024: 186%
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
How Dr. Peter Leigh Longstreet takes part in Medicare
Dr. Longstreet accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Peter Leigh Longstreet graduated from University of Texas Medical School at San Antonio
Dr. Longstreet graduated from University of Texas Medical School at San Antonio in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Leigh Longstreet'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 | Dmand AI Patient Panel DataMedicare 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Peter Leigh Longstreet
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. Peter Leigh Longstreet's NPI number?
Dr. Peter Leigh Longstreet's NPI number is 1366573990. It was assigned on March 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Leigh Longstreet?
Dr. Peter Leigh Longstreet is a psychiatrist in Chicago, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Peter Leigh Longstreet practice?
Dr. Longstreet practices at 2600 S Michigan Ave, Chicago, IL 60616. Dr. Longstreet's primary practice is Women's Progressive Healthcare in Chicago, Illinois. Dmand AI also links Dr. Longstreet to 1 group practice or clinic and 1 medical group.
What is Dr. Peter Leigh Longstreet's office phone number?
The practice phone on file for Dr. Longstreet is (312) 326-1792.
What is Dr. Peter Leigh Longstreet's medical license number?
Dr. Longstreet holds South Carolina license 52617, one of the licenses on file in 2 states.
Which states has Dr. Peter Leigh Longstreet been licensed in?
Dmand AI has state licenses on file for Dr. Longstreet in South Carolina and Michigan.
What medical group is Dr. Peter Leigh Longstreet part of?
Dr. Longstreet is linked to Prisma Health Medical Group. Dmand AI links Dr. Longstreet to 1 more medical group.
Does Dr. Peter Leigh Longstreet accept Medicare?
Yes. CMS data shows Dr. Longstreet billed Medicare for 81 services in 2024, and Dr. Longstreet accepts Medicare assignment.
How many Medicare patients does Dr. Peter Leigh Longstreet see?
CMS counts 15 Medicare patients who saw Dr. Longstreet in 2024, with an average age of 68.
What services does Dr. Peter Leigh Longstreet bill to Medicare?
In 2024, Dr. Longstreet's most billed Medicare services were office visit, established patient (99214).
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Where did Dr. Peter Leigh Longstreet go to medical school?
Dr. Longstreet graduated from University of Texas Medical School at San Antonio in 1989.
What drugs does Dr. Peter Leigh Longstreet prescribe most?
In 2024 Medicare Part D data, Dr. Longstreet's most prescribed drugs by claims were Venlafaxine HCl ER.
How long has Dr. Peter Leigh Longstreet been practicing?
Dr. Longstreet graduated from medical school in 1989, 37 years ago.
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