Guillermo Castro Narvarte, MD
Internal Medicine Physician · Bonita Springs, FL
Guillermo Castro Narvarte, MD is an internal medicine physician with a practice address in Bonita Springs, Florida, and NPI 1205927894, issued on Sep 27, 2006. Check the license (Florida ME92943, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Guillermo Castro Narvarte
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ME92943 FL
Self-reported in NPPES; status is on the state search - Practice location
- 9500 Bonita Beach RD SE, Bonita Springs, FL 34135
- Phone
- (239) 947-4100
- Enumerated
- Sep 27, 2006
- Record last updated
- Jul 21, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (239) 992-4100
- Medicare enrollment
- Enrolled (PECOS I20060428000252); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 9500 Bonita Beach RD SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zannos Grekos, MDCardiovascular Disease Physician1326071499
Verify Guillermo Castro Narvarte in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME92943Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,245 Medicare Part D claims for 184 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 79 claims were for opioids.
Most prescribed
- Atorvastatin Calcium361 claims
- Amlodipine Besylate320 claims
- Metformin Hcl225 claims
- Levothyroxine Sodium211 claims
- Losartan Potassium199 claims
- Dexlansoprazole Dr192 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.
Guillermo Castro Narvarte among 10,151 internal medicine physician records in Florida
Guillermo Castro Narvarte, 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
- Graduated1999 · median 2004 among the 6,606 with a school on file
- Record last updated2009 · 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).
21 internal medicine physician records list a practice address in Bonita Springs
They are 21 of the 643 NPPES records with a practice address in Bonita Springs, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Bonita Springs → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Applebaum, M.D.Estero, FL 341351922009562
- Donald Baseman, DOBonita Springs, FL 341351326120635
- Steven Coleman, D.O.Bonita Springs, FL 341351134310444
- Jeremy Dzen, DOEstero, FL 341351013083997
- Giuseppe Guaitoli, M.D.Bonita Springs, FL 341351689620585
- Jorge Guzman, MDBonita Springs, FL 341351043228091
- Brian LeeBonita Springs, FL 341351174521066
- Shawn Miller, MDBonita Springs, FL 341351124106745
Common questions
What is Guillermo Castro Narvarte, MD's NPI number?
Guillermo Castro Narvarte, MD's National Provider Identifier (NPI) is 1205927894, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo Castro Narvarte, MD located?
The NPPES record lists a practice address at 9500 Bonita Beach RD SE, Bonita Springs, FL, 34135. Phone: (239) 947-4100. Providers update this record themselves, so call before visiting.
How can I verify Guillermo Castro Narvarte, MD's license?
NPPES lists Florida license number ME92943, 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 Guillermo Castro Narvarte, MD prescribe under Medicare Part D?
In 2024, Guillermo Castro Narvarte, MD had 7,245 Medicare Part D claims for 184 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.