Dr. Guillermo Castro Narvarte, MD
- Medicare services, 2024
- 1,150
- Medicare patients, 2024
- 57
- Part D claims, 2024
- 7,245
- Industry payments
- $1,315
- Affiliated sites
- 3
- Practice address
- 1291 Broad W St, Lehigh Acres, FL 33936
- Practice phone
- Call (239) 941-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Guillermo Narvarte Inc
Lehigh Acres, Florida
Find Dr. Narvarte's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Guillermo Castro Narvarte is an internist in Lehigh Acres, Florida
Dr. Narvarte practices at Guillermo Narvarte Inc in Lehigh Acres, Florida.
Dr. Narvarte's NPI, 1205927894, was assigned on September 27, 2006. Dr. Narvarte graduated from Cayetano Heredia University in 1999. Dr. Narvarte holds Florida license ME92943.
- NPI
- 1205927894NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557371093
- NPI enumeration date
- September 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (239) 941-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Guillermo Castro Narvarte practices at Guillermo Narvarte Inc in Lehigh Acres, Florida
Dr. Narvarte's primary practice is Guillermo Narvarte Inc, at 1291 Broad W St, Lehigh Acres, FL 33936 in Lee County. The practice phone is (239) 941-4100.
- Guillermo Narvarte Inc1291 Broad W St, Lehigh Acres, FL 33936 · Lee CountyPhone(239) 941-4100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Guillermo Castro Narvarte is affiliated with 4 sites of care
Dr. Narvarte's primary practice is Guillermo Narvarte Inc in Lehigh Acres, Florida. Dmand AI also links Dr. Narvarte to 1 physician office, 1 home health agency and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Guillermo Castro Narvarte's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Narvarte practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Guillermo Narvarte Inc | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Guillermo Castro Narvarte is one of 9,009 internists in Florida
Internal medicine is Dr. Narvarte's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Narvarte is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Narvarte's licenses on file in 5 states: Florida, Illinois, New Mexico, Michigan and Wisconsin.
Specialties and state licenses
- Internal medicine, FloridaPrimary
- Illinois license
- New Mexico license
- Michigan license
- Wisconsin license
Clinical focus
Dmand AI lists acute kidney failure, alzheimer's disease, anxiety, arthritis, asthma, atrial fibrillation and flutter, cerebrovascular disease and chronic diabetes among the conditions Dr. Narvarte treats.
Internists near Dr. Narvarte
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
Dr. Guillermo Castro Narvarte billed Medicare for 1,150 services in 2024
CMS data shows 1,150 Medicare services from Dr. Narvarte across 12 procedure codes in 2024, for 57 Medicare patients. Medicare paid $52,587 for them. Every service was in an office.
Dr. Narvarte's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1522024: 83727%
- Lab and pathology
- 2023: 3732024: 25432%
- Tests and treatments
- 2023: 502024: 3432%
- Other services
- 2023: 462024: 1470%
- Imaging
- 2023: 132024: 1115%
Dr. Narvarte compared with the Florida median for internists, 2024
- Dr. Narvarte
- Florida median
- Medicare services
- 1,150vs 5552.1 times
- Medicare patients
- 57vs 21573% below
- Part D claims
- 6,785vs 46614.6 times
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Narvarte'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.
Need commercial claims for Dr. Narvarte?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Narvarte and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Guillermo Castro Narvarte treated 57 Medicare patients in 2024, average age 83
CMS counts 57 Medicare patients who saw Dr. Narvarte in 2024. The largest group is 85 and over, with 27 patients. 75% of them have alzheimer's and dementia, and 75% have anxiety. 81% are also on Medicaid. Their average risk score is 2.96, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Narvarte's median patient age at 80, with 61% women.
Dr. Narvarte's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Narvarte's Medicare patients by sex, 2024
- Women4477%
- Men1323%
Chronic conditions among Dr. Narvarte's Medicare patients, 2024
- Alzheimer's and dementia75%
- Anxiety75%
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol72%
- Depression53%
- Mood disorders53%
- Diabetes37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Narvarte's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Guillermo Castro Narvarte wrote 7,245 Medicare Part D claims in 2024
In 2024, Dr. Narvarte wrote 7,245 Medicare Part D claims for 184 patients. 85% of them were for generic drugs. CMS names the drug for 6,785 of them, across 123 drugs with 11 or more claims each, at $279,363 in total drug cost. In 2023, CMS named 7,616 claims across 128 drugs.
Dr. Narvarte's Part D claims by kind of drug, 2024
- Generic6,163 claims85%
- Brand-name960 claims13%
- Other122 claims2%
Dr. Narvarte's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Narvarte's Part D claims, 2024
- Opioids1%79 of 7,245 claims
- Antibiotics3%238 of 7,245 claims
- Antipsychotics, patients 65 and over2%132 of 7,245 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,6162024: 6,78511%
Drugs named by CMS: 123 in 2024, 128 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Guillermo Castro Narvarte takes part in Medicare
Dr. Narvarte accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Guillermo Castro Narvarte received $1,315 in industry payments from 2016 to 2019
CMS Open Payments shows 19 general payments to Dr. Narvarte from 4 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 99% of the total. Jazz Pharmaceuticals Inc. paid the most, $678.
General payments to Dr. Narvarte by program year, 2016 to 2019
General payments to Dr. Narvarte by kind, 2016 to 2019
- Food and beverage$1,30699%
- Education$91%
Companies that paid Dr. Narvarte the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Guillermo Castro Narvarte graduated from Cayetano Heredia University
Dr. Narvarte graduated from Cayetano Heredia University in 1999.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Guillermo Castro Narvarte accepts plans from 14 insurance carriers
Dr. Narvarte is in network with 14 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +6 more carriersWith a free account
Plan types Dr. Narvarte accepts, by number of carriers
- PPO9
- HMO7
- EPO4
- Medicare3
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Guillermo Castro Narvarte'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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 Dr. Guillermo Castro Narvarte
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Guillermo Castro Narvarte's NPI number?
Dr. Guillermo Castro Narvarte's NPI number is 1205927894. It was assigned on September 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Guillermo Castro Narvarte?
Dr. Guillermo Castro Narvarte is an internist in Lehigh Acres, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Guillermo Castro Narvarte practice?
Dr. Narvarte practices at 1291 Broad W St, Lehigh Acres, FL 33936. Dr. Narvarte's primary practice is Guillermo Narvarte Inc in Lehigh Acres, Florida. Dmand AI also links Dr. Narvarte to 1 physician office, 1 home health agency and 1 hospice.
What is Dr. Guillermo Castro Narvarte's office phone number?
The practice phone on file for Dr. Narvarte is (239) 941-4100.
What is Dr. Guillermo Castro Narvarte's medical license number?
Dr. Narvarte holds Florida license ME92943, one of the licenses on file in 5 states.
Which states has Dr. Guillermo Castro Narvarte been licensed in?
Dmand AI has state licenses on file for Dr. Narvarte in Florida (2005 to 2027), Illinois (2005 to 2011), New Mexico (2005 to 2007), Michigan (2005 to 2006) and Wisconsin (2005).
Does Dr. Guillermo Castro Narvarte accept Medicare?
Yes. CMS data shows Dr. Narvarte billed Medicare for 1,150 services in 2024, and Dr. Narvarte accepts Medicare assignment.
How many Medicare patients does Dr. Guillermo Castro Narvarte see?
CMS counts 57 Medicare patients who saw Dr. Narvarte in 2024, with an average age of 83.
Is Dr. Guillermo Castro Narvarte board certified?
Yes. Dr. Narvarte is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Guillermo Castro Narvarte bill to Medicare?
In 2024, Dr. Narvarte's most billed Medicare services were home visit (99349), lab and pathology test (82962) and care management and other visits (99458).
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Where did Dr. Guillermo Castro Narvarte go to medical school?
Dr. Narvarte graduated from Cayetano Heredia University in 1999.
What drugs does Dr. Guillermo Castro Narvarte prescribe most?
In 2024 Medicare Part D data, Dr. Narvarte's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Dr. Guillermo Castro Narvarte received payments from drug or device companies?
CMS Open Payments shows $1,315 in general payments to Dr. Narvarte from 4 companies from 2016 to 2019. The largest total came from Jazz Pharmaceuticals Inc.
How long has Dr. Guillermo Castro Narvarte been practicing?
Dr. Narvarte graduated from medical school in 1999, 27 years ago.
What insurance does Dr. Guillermo Castro Narvarte accept?
Dr. Narvarte is in network with 14 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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