NPPES file of Aug 9, 2026

Antonio Herlander Fontelonga

Hematology & Oncology Physician · Reno, NV

Antonio Herlander Fontelonga is a hematology & oncology physician with a practice address in Reno, Nevada, and NPI 1437164100, issued on Jul 30, 2006. Check the license (Nevada 100667, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437164100
Name
Antonio Herlander Fontelonga
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
100667 NV
Self-reported in NPPES; status is on the state search
Practice location
75 Pringle Way Ste 706, Reno, NV 89502
Phone
(775) 784-5975
Enumerated
Jul 30, 2006
Record last updated
Nov 6, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(775) 784-3722
Medicare enrollment
Enrolled (PECOS I20230222000866); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 75 Pringle Way Ste 706

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dielle Duval, M.DUrology Physician1225422322
  2. Christopher Evans, M.D.Urology Physician1356326060
  3. Ashley Hall, PA-CPhysician Assistant1992481071
  4. Nicholas Hauser, M.D.Urology Physician1073803490
  5. Derrin Jarvis, PA-CSurgical Physician Assistant1033534805
  6. Eric Kim, MDUrology Physician1992068019

Verify Antonio Herlander Fontelonga in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 100667
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Nevada license search

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48% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

455 Medicare Part D claims for 97 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Antonio Fontelonga455
  2. Specialty average877

Most prescribed

  1. Anastrozole88 claims
  2. Hydroxyurea41 claims
  3. Levothyroxine Sodium29 claims
  4. Abiraterone Acetate26 claims
  5. Letrozole23 claims
  6. Exemestane18 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: $1,446.00

62 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Antonio Fontelonga$1,446.00
  2. Specialty average$7,481.41

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

  1. Gordon Grado MD IncScottsdale, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hematology & Oncology Physician providers in Nevada

There are 88 hematology & oncology physician records in Nevada.

Other hematology & oncology physician records in Nevada

  1. Shamoon Ahmad, M.D.Las Vegas, NV1063587459
  2. Imran Ahmed, MDLas Vegas, NV1679650949
  3. Mohammad Ahsan Alamgir, MDLas Vegas, NV1265609671
  4. Heather Allen, MDLas Vegas, NV1235149410
  5. Mary Ann Allison, MDHenderson, NV1952317794
  6. Santhosh Ambika, MDReno, NV1174747323
  7. Carlos Araujo, MDLas Vegas, NV1013937481
  8. Subramanyeswara Arekapudi, M.D, M.P.HReno, NV1366671943
  9. Aaron Bowman, MDReno, NV1356430227
  10. Randy Calegari, MDLas Vegas, NV1336263953

Common questions

What is Antonio Herlander Fontelonga's NPI number?

Antonio Herlander Fontelonga's National Provider Identifier (NPI) is 1437164100, issued on Jul 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Antonio Herlander Fontelonga located?

The NPPES record lists a practice address at 75 Pringle Way Ste 706, Reno, NV, 89502. Phone: (775) 784-5975. Providers update this record themselves, so call before visiting.

How can I verify Antonio Herlander Fontelonga's license?

NPPES lists Nevada license number 100667, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Antonio Herlander Fontelonga prescribe under Medicare Part D?

In 2024, Antonio Herlander Fontelonga had 455 Medicare Part D claims for 97 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.