Lemuel Carlo Lucas De Leon, CRNP
Family Nurse Practitioner · Frederick, MD
Lemuel Carlo Lucas De Leon, CRNP is a family nurse practitioner with a practice address in Frederick, Maryland, and NPI 1619446622, issued on Nov 19, 2018. Check the license (Maryland R197575, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lemuel Carlo Lucas De Leon
- Credential
- CRNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R197575 MD
Self-reported in NPPES; status is on the state search - Practice location
- 501 W 7TH St, Frederick, MD 21701
- Phone
- (301) 698-8374
- Enumerated
- Nov 19, 2018
- Record last updated
- May 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 501 W 7TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lemuel Carlo Lucas De Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R197575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family nurse practitioner in 2024
174 Medicare Part D claims for 124 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass16 claims
- Cephalexin16 claims
- Oxycodone Hcl16 claims
- Methylprednisolone13 claims
- Cyclobenzaprine Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18.73
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Lemuel Carlo Lucas De Leon among 4,124 family nurse practitioner records in Maryland
Lemuel Carlo Lucas De Leon, CRNP is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 43% of them.
- NPI issued2018 · 43% of these records are older, 50% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2019 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
136 family nurse practitioner records list a practice address in Frederick
They are 136 of the 3,981 NPPES records with a practice address in Frederick, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Frederick → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Adobea Asiam, CRNPFrederick, MD 217011659724623
- Stacy Bartolich, CRNPFrederick, MD 217011427434521
- Keisha Bernard, FNP-CFrederick, MD 217011821461849
- Nickeea Chalmers-ScottFrederick, MD 217011730582040
- Arden Cooper, FNP-BCFrederick, MD 217011528471455
- Kelly Llewellyn, CRNP, FNP-BCFrederick, MD 217011336578947
- Marla Mullen, CRNPFrederick, MD 217011457496911
- Nicole Mullendore, FNP-BCFrederick, MD 217011437409489
Common questions
What is Lemuel Carlo Lucas De Leon, CRNP's NPI number?
Lemuel Carlo Lucas De Leon, CRNP's National Provider Identifier (NPI) is 1619446622, issued on Nov 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Lemuel Carlo Lucas De Leon, CRNP located?
The NPPES record lists a practice address at 501 W 7TH St, Frederick, MD, 21701. Phone: (301) 698-8374. Providers update this record themselves, so call before visiting.
How can I verify Lemuel Carlo Lucas De Leon, CRNP's license?
NPPES lists Maryland license number R197575, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Lemuel Carlo Lucas De Leon, CRNP prescribe under Medicare Part D?
In 2024, Lemuel Carlo Lucas De Leon, CRNP had 174 Medicare Part D claims for 124 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.