Leonard Charles Glaser, MD
Internal Medicine Physician · Naples, FL
Leonard Charles Glaser, MD is an internal medicine physician with a practice address in Naples, Florida, and NPI 1194752089, issued on Jun 27, 2006. Check the license (Florida ME139291, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Leonard Charles Glaser
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- ME139291 FL
022003 CT
Self-reported in NPPES; status is on the state search - Practice location
- 8340 Collier Blvd Ste 405, Naples, FL 34114
- Phone
- (239) 348-4221
- Enumerated
- Jun 27, 2006
- Record last updated
- Sep 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid IDs
- 103666800 FL
1220037 CT - Medicare enrollment
- Enrolled (PECOS I20190613002799); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 8340 Collier Blvd Ste 405
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Kling, MDColon & Rectal Surgery Physician1033602727
Verify Leonard Charles Glaser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME139291Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average internal medicine physician in 2024
12,006 Medicare Part D claims for 974 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 97 claims were for opioids.
Most prescribed
- Atorvastatin Calcium920 claims
- Amlodipine Besylate695 claims
- Losartan Potassium657 claims
- Lisinopril454 claims
- Levothyroxine Sodium355 claims
- Rosuvastatin Calcium331 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.
The MIPS final score for 2023 (Medicare payment program): 86.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $286.31
14 payments; by number, the most common kind was food and beverage; the largest payer was Philips North America LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Collier Hma Physician Management LLCMarco Island, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard Charles Glaser among 10,151 internal medicine physician records in Florida
Leonard Charles Glaser, MD is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1977 · median 2004 among the 6,606 with a school on file
- Record last updated2020 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
208 internal medicine physician records list a practice address in Naples
They are 208 of the 5,950 NPPES records with a practice address in Naples, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Naples → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Louis Dusseault, M.D.Naples, FL 341141457353799
- Roberto Fiorentini, M.D.Naples, FL 341141114284437
- Sunil Pandya, MDNaples, FL 341141811921729
- Carlos Portu, M.D.Naples, FL 341141275735367
- Elyse Cohen, M.D.Naples, FL 341131023379765
- Rodolfo Freire, MDNaples, FL 341131861638280
- Nancy Goodwin, D.O.Naples, FL 341131861679227
- Pedro Martin, M.D.Naples, FL 341131376828970
Common questions
What is Leonard Charles Glaser, MD's NPI number?
Leonard Charles Glaser, MD's National Provider Identifier (NPI) is 1194752089, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Charles Glaser, MD located?
The NPPES record lists a practice address at 8340 Collier Blvd Ste 405, Naples, FL, 34114. Phone: (239) 348-4221. Providers update this record themselves, so call before visiting.
How can I verify Leonard Charles Glaser, MD's license?
NPPES lists Florida license number ME139291, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leonard Charles Glaser, MD prescribe under Medicare Part D?
In 2024, Leonard Charles Glaser, MD had 12,006 Medicare Part D claims for 974 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Leonard Charles Glaser, MD's MIPS final score?
The 2023 MIPS final score is 86.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.