Leonard Udel Lacefield III

  • New York, NY
  • Internist
NPI1447590088
Medicare services, 2024
554
Medicare patients, 2024
374
Part D claims, 2019
77
Hospital affiliations
1
Industry payments
$926
Practice address
One Gustave L Levy Place, New York, NY 10029
Practice phone
Call (212) 241-7981
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

The Mount Sinai Hospital

Hospital · New York, New York

See all 6 affiliations

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Leonard Udel Lacefield III is an internist in New York, New York

Leonard Lacefield practices at The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System.

Leonard Lacefield's NPI, 1447590088, was assigned on February 19, 2013. Leonard Lacefield holds Oklahoma license 5651.

NPI and contact details
NPI enumeration date
February 19, 2013
NPI status
Active
Practice phone
(212) 241-7981
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Leonard Udel Lacefield III practices at 2 locations in New York, New York

Leonard Lacefield's primary practice is The Mount Sinai Hospital, at One Gustave L Levy Place, New York, NY 10029 in New York County. The practice phone is (212) 241-7981. Leonard Lacefield also practices at The Mount Sinai Hospital, 1 Gustave L Levy Pl, New York, NY 10029.

  • The Mount Sinai HospitalPrimary
    One Gustave L Levy Place, New York, NY 10029 · New York CountyPhone(212) 241-7981
  • The Mount Sinai Hospital
    1 Gustave L Levy Pl, New York, NY 10029 · New York CountyPhone(212) 256-2904

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Leonard Udel Lacefield III is affiliated with 1 site of care and 5 medical groups

Leonard Lacefield's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. The medical group on file is Utica Park Clinic. Dmand AI also links Leonard Lacefield to 4 more medical groups, each named with a free account.

See all 6 affiliations for Leonard Lacefield

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Leonard Udel Lacefield III's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Leonard Lacefield practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Mount Sinai HospitalAvailable with a free account
+4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Leonard Udel Lacefield III is one of 9,643 internists in New York

Internal medicine is Leonard Lacefield's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Leonard Lacefield's licenses on file in 4 states: Oklahoma, Ohio, Oregon and Washington.

Specialties and state licenses

  • Internal medicine, OklahomaPrimaryLicense 5651 · taxonomy 207R00000X
  • Ohio licenseLicense 34.012139
  • Oregon licenseLicense DO177881
  • Washington licenseLicense OP60641490

Internists near Leonard Lacefield

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

Leonard Udel Lacefield III billed Medicare for 554 services in 2024

CMS data shows 554 Medicare services from Leonard Lacefield across 3 procedure codes in 2024, for 374 Medicare patients. Medicare paid $57,496 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024554
Medicare patients374
Paid by Medicare$57,496
Procedure codes3

Leonard Lacefield's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6082024: 5549%

Leonard Lacefield compared with the New York median for internists, 2024

  • Leonard Lacefield
  • New York median
Medicare services
554vs 42630% above
Medicare patients
374vs 1582.4 times
Part D claims
77vs 62288% below

Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.

Leonard Lacefield'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

Leonard Udel Lacefield III treated 374 Medicare patients in 2024, average age 74

CMS counts 374 Medicare patients who saw Leonard Lacefield in 2024. The largest group is 75 to 84, with 145 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 2.45, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Leonard Lacefield's median patient age at 68, with 58% women.

Medicare patients, 2024374
Average age74
Average risk score2.45
Also on Medicaid24%

Leonard Lacefield's Medicare patients by age, 2024

Leonard Lacefield's Medicare patients by sex, 2024

  • Women19552%
  • Men17948%

Chronic conditions among Leonard Lacefield's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Heart failure56%
  5. Ischemic heart disease53%
  6. Diabetes52%
  7. Chronic kidney disease51%
  8. Mood disorders49%

Share of Medicare patients with each condition. A patient can have several.

Leonard Lacefield's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women58%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Leonard Udel Lacefield III wrote 77 Medicare Part D claims in 2019

In 2019, Leonard Lacefield wrote 77 Medicare Part D claims. They cover 5 drugs, with $625 in total drug cost. In 2018, CMS named 188 claims across 12 drugs.

Part D claims, 201977
Drugs named by CMS5
Total drug cost$625

Leonard Lacefield's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 1882019: 7759%

Drugs named by CMS: 5 in 2019, 12 in 2018.

See all prescribing by Leonard Lacefield

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Leonard Udel Lacefield III received $926 in industry payments from 2016 to 2025

CMS Open Payments shows 13 general payments to Leonard Lacefield from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Mirum Pharmaceuticals, Inc. paid the most, $150.

General payments to Leonard Lacefield by program year, 2016 to 2025

Companies that paid Leonard Lacefield the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Leonard Lacefield

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Leonard Udel Lacefield III's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Leonard Udel Lacefield III

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Leonard Udel Lacefield III's NPI number?

Leonard Udel Lacefield III's NPI number is 1447590088. It was assigned on February 19, 2013, and it is active in the NPI Registry.

What does Leonard Udel Lacefield III specialize in?

Leonard Udel Lacefield III is an internist in New York, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Leonard Udel Lacefield III practice?

Leonard Lacefield practices at One Gustave L Levy Place, New York, NY 10029. Leonard Lacefield also practices at 1 Gustave L Levy Pl, New York, NY 10029. Leonard Lacefield's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. Dmand AI also links Leonard Lacefield to 4 medical groups.

What is Leonard Udel Lacefield III's office phone number?

The practice phone on file for Leonard Lacefield is (212) 241-7981.

What is Leonard Udel Lacefield III's medical license number?

Leonard Lacefield holds Oklahoma license 5651, one of the licenses on file in 4 states.

Which states has Leonard Udel Lacefield III been licensed in?

Dmand AI has state licenses on file for Leonard Lacefield in Oklahoma, Ohio, Oregon and Washington.

Which hospitals is Leonard Udel Lacefield III affiliated with?

Leonard Lacefield practices at The Mount Sinai Hospital in New York, New York.

What medical group is Leonard Udel Lacefield III part of?

Leonard Lacefield is linked to Utica Park Clinic. Dmand AI links Leonard Lacefield to 4 more medical groups.

Does Leonard Udel Lacefield III accept Medicare?

Yes. CMS data shows Leonard Lacefield billed Medicare for 554 services in 2024.

How many Medicare patients does Leonard Udel Lacefield III see?

CMS counts 374 Medicare patients who saw Leonard Lacefield in 2024, with an average age of 74.

Show 4 more questionsShow fewer questions

What services does Leonard Udel Lacefield III bill to Medicare?

In 2024, Leonard Lacefield's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99233) and hospital inpatient care (99232).

What drugs does Leonard Udel Lacefield III prescribe most?

In 2019 Medicare Part D data, Leonard Lacefield's most prescribed drugs by claims were Cefdinir, Atorvastatin Calcium and Furosemide.

Has Leonard Udel Lacefield III received payments from drug or device companies?

CMS Open Payments shows $926 in general payments to Leonard Lacefield from 12 companies from 2016 to 2025. The largest total came from Mirum Pharmaceuticals, Inc.

How long has Leonard Udel Lacefield III been practicing?

Leonard Lacefield graduated from medical school in 2013, 13 years ago.

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