Dr. Leonard Averell Treihaft, MD
- Medicare services, 2024
- 4,657
- Medicare patients, 2024
- 602
- Part D claims, 2024
- 4,408
- MIPS score, 2024
- 86
- Hospital affiliations
- 1
- Practice address
- 420 5th Ave, Brooklyn, NY 11215
- Practice phone
- Call (914) 219-0156
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CityMD Park Slope Urgent Care
Urgent Care Center · Brooklyn, New York
Find Dr. Treihaft'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. Leonard Averell Treihaft is an internist in Brooklyn, New York
Dr. Treihaft practices at CityMD Park Slope Urgent Care in Brooklyn, New York.
Dr. Treihaft's NPI, 1053347401, was assigned on June 25, 2006. Dr. Treihaft graduated from Albert Einstein College of Medicine of Yeshiva University in 1991. Dr. Treihaft holds New York license 192632.
- NPI
- 1053347401NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658496823
- NPI enumeration date
- June 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 219-0156
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonard Averell Treihaft practices at CityMD Park Slope Urgent Care in Brooklyn, New York
Dr. Treihaft's primary practice is CityMD Park Slope Urgent Care, at 420 5th Ave, Brooklyn, NY 11215. The practice phone is (914) 219-0156.
- CityMD Park Slope Urgent Care420 5th Ave, Brooklyn, NY 11215Phone(914) 219-0156
Source: Dmand AI Affiliation Data
Dr. Leonard Averell Treihaft is affiliated with 9 sites of care and 2 medical groups
Dr. Treihaft's primary practice is CityMD Park Slope Urgent Care in Brooklyn, New York. Dr. Treihaft is also affiliated with North Shore University Hospital. The medical group on file is CityMD. Dmand AI also links Dr. Treihaft to 5 more home health agencies, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Treihaft's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leonard Averell Treihaft's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Treihaft practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CityMD Park Slope Urgent Care | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leonard Averell Treihaft is one of 9,643 internists in New York
Internal medicine is Dr. Treihaft's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Treihaft is board certified in internal medicine by the American Board of Internal Medicine. Dr. Treihaft is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Treihaft
Counts of internists 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. Leonard Averell Treihaft billed Medicare for 4,657 services in 2024
CMS data shows 4,657 Medicare services from Dr. Treihaft across 16 procedure codes in 2024, for 602 Medicare patients. Medicare paid $287,032 for them. Every service was in an office.
Dr. Treihaft's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,6192024: 2,3998%
- Tests and treatments
- 2023: 1,0742024: 1,1598%
- Other services
- 2023: 2382024: 1,083355%
- Lab and pathology
- 2023: 142024: 1614%
- Surgery
- 2023: 3982024: 0100%
Dr. Treihaft compared with the New York median for internists, 2024
- Dr. Treihaft
- New York median
- Medicare services
- 4,657vs 42610.9 times
- Medicare patients
- 602vs 1583.8 times
- Part D claims
- 4,022vs 6226.5 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Treihaft'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. Leonard Averell Treihaft treated 602 Medicare patients in 2024, average age 75
CMS counts 602 Medicare patients who saw Dr. Treihaft in 2024. The largest group is 65 to 74, with 300 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Treihaft's median patient age at 58, with 48% women.
Dr. Treihaft's Medicare patients by age, 2024
Dr. Treihaft's Medicare patients by sex, 2024
- Women32354%
- Men27946%
Chronic conditions among Dr. Treihaft's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis40%
- Ischemic heart disease31%
- Diabetes28%
- Cancer20%
- Osteoporosis19%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Treihaft'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
- Women48%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonard Averell Treihaft wrote 4,408 Medicare Part D claims in 2024
In 2024, Dr. Treihaft wrote 4,408 Medicare Part D claims for 582 patients. 91% of them were for generic drugs. CMS names the drug for 4,022 of them, across 66 drugs with 11 or more claims each, at $167,624 in total drug cost. In 2023, CMS named 3,866 claims across 62 drugs.
Dr. Treihaft's Part D claims by kind of drug, 2024
- Generic4,018 claims91%
- Brand-name378 claims9%
- Other12 claims0%
Dr. Treihaft'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.
Drug classes CMS tracks in Dr. Treihaft's Part D claims, 2024
- Antibiotics4%175 of 4,408 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,8662024: 4,0224%
Drugs named by CMS: 66 in 2024, 62 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
Dr. Leonard Averell Treihaft scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Treihaft for performance year 2024, reported as part of a group. Dr. Treihaft accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Treihaft's MIPS scores, performance year 2024
- 86of 100Final score
- 82.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Leonard Averell Treihaft received $4,161 in industry payments from 2016 to 2022
CMS Open Payments shows 240 general payments to Dr. Treihaft from 29 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 97% of the total. Amgen Inc. paid the most, $473.
General payments to Dr. Treihaft by program year, 2016 to 2022
General payments to Dr. Treihaft by kind, 2016 to 2022
- Food and beverage$4,04697%
- Education$1153%
Companies that paid Dr. Treihaft the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leonard Averell Treihaft graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Treihaft graduated from Albert Einstein College of Medicine of Yeshiva University in 1991.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Leonard Averell Treihaft'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Leonard Averell Treihaft
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. Leonard Averell Treihaft's NPI number?
Dr. Leonard Averell Treihaft's NPI number is 1053347401. It was assigned on June 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonard Averell Treihaft?
Dr. Leonard Averell Treihaft is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Leonard Averell Treihaft practice?
Dr. Treihaft practices at 420 5th Ave, Brooklyn, NY 11215. Dr. Treihaft's primary practice is CityMD Park Slope Urgent Care in Brooklyn, New York. Dmand AI also links Dr. Treihaft to 5 home health agencies, 2 group practices and clinics and 1 medical group.
What is Dr. Leonard Averell Treihaft's office phone number?
The practice phone on file for Dr. Treihaft is (914) 219-0156.
What is Dr. Leonard Averell Treihaft's medical license number?
Dr. Treihaft holds New York license 192632.
Which hospitals is Dr. Leonard Averell Treihaft affiliated with?
Dr. Treihaft is affiliated with North Shore University Hospital.
What medical group is Dr. Leonard Averell Treihaft part of?
Dr. Treihaft is linked to CityMD. Dmand AI links Dr. Treihaft to 1 more medical group.
Does Dr. Leonard Averell Treihaft accept Medicare?
Yes. CMS data shows Dr. Treihaft billed Medicare for 4,657 services in 2024, and Dr. Treihaft accepts Medicare assignment.
What is Dr. Leonard Averell Treihaft's MIPS score?
Dr. Treihaft's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Leonard Averell Treihaft see?
CMS counts 602 Medicare patients who saw Dr. Treihaft in 2024, with an average age of 75.
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Is Dr. Leonard Averell Treihaft board certified?
Yes. Dr. Treihaft is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Leonard Averell Treihaft bill to Medicare?
In 2024, Dr. Treihaft's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and medicare service (G2211).
Where did Dr. Leonard Averell Treihaft go to medical school?
Dr. Treihaft graduated from Albert Einstein College of Medicine of Yeshiva University in 1991.
What drugs does Dr. Leonard Averell Treihaft prescribe most?
In 2024 Medicare Part D data, Dr. Treihaft's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. Leonard Averell Treihaft received payments from drug or device companies?
CMS Open Payments shows $4,161 in general payments to Dr. Treihaft from 29 companies from 2016 to 2022. The largest total came from Amgen Inc.
How long has Dr. Leonard Averell Treihaft been practicing?
Dr. Treihaft graduated from medical school in 1991, 35 years ago.
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