Leonard Udel Lacefield III
- 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
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Leonard Lacefield's professional email, personal email and mobile number
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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
- 1447590088NPI Registry (opens in a new tab)
- NPI enumeration date
- February 19, 2013
- NPI status
- Active
- Practice phone
- (212) 241-7981
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 HospitalPrimaryOne Gustave L Levy Place, New York, NY 10029 · New York CountyPhone(212) 241-7981
- The Mount Sinai Hospital1 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.
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.
| Site | EHR vendor and product |
|---|---|
| The Mount Sinai Hospital | Available with a free account |
| +4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mount Sinai Health System and 6.2K+ hospitals, with verified contacts in the same login.
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, OklahomaPrimary
- Ohio license
- Oregon license
- Washington license
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.
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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Medicare shows one payer. Book a meeting to get commercial claims data for Leonard Lacefield and other internists in New York.
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.
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
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Heart failure56%
- Ischemic heart disease53%
- Diabetes52%
- Chronic kidney disease51%
- 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.
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.
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.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Leonard Udel Lacefield III'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 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) |
| Industry payments | Open Payments (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 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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