NPPES file of Aug 9, 2026

Ronny Rodriguez Castillo

Dentist · Billings, MT

Ronny Rodriguez Castillo is a dentist with a practice address in Billings, Montana, and NPI 1184275471, issued on Sep 27, 2019. Check the license (Montana 19402, as entered in NPPES) with the Montana board that licenses this profession; 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
1184275471
Name
Ronny Rodriguez Castillo
Primary taxonomy
Dentist 122300000X
License numbers
19402 MT
D14315 MN
Self-reported in NPPES; status is on the state search
Practice location
315 N 25TH St Ste 101, Billings, MT 59101
Phone
(406) 248-6177
Enumerated
Sep 27, 2019
Record last updated
Oct 23, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(406) 248-1556
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 315 N 25TH St Ste 101

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

  1. Christopher Allen, DMDDentist1205513009
  2. Ashley Boettger, DDSGeneral Practice Dentistry1053806737
  3. Timothy Lawhorn, DDSGeneral Practice Dentistry1417034562
  4. Connor Schwarzinger, DDSDentist1982132924
  5. Mudita Verma, DMDGeneral Practice Dentistry1821827809
  6. Whitney Word, DMDDentist1386337616

Verify Ronny Rodriguez Castillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license 19402
    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
Find the Montana license search

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5% more Medicare Part D claims than the average dentist in 2024

90 Medicare Part D claims for 39 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Ronny Rodriguez Castillo90
  2. Specialty average86

Most prescribed

  1. Amoxicillin28 claims
  2. Chlorhexidine Gluconate15 claims
  3. Hydrocodone-Acetaminophen15 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: $255.15

6 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ronny Rodriguez Castillo$255.15
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Ronny Rodriguez Castillo among 266 dentist records in Montana

Ronny Rodriguez Castillo is one of 266 dentist records with a practice address in Montana. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 14% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2020 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Montana

There are 266 dentist records in Montana.

The 8 dentist records with the nearest ZIP codes

  1. Charles Blackburn, DDSBillings, MT 591011801940440
  2. Caitlin Colbert, DDSBillings, MT 591011982056461
  3. Kalli Elford, DMDBillings, MT 591011861834681
  4. Michael Heringer, DDSBillings, MT 591011568802809
  5. John Murphy, DDS MSDBillings, MT 591011912070376
  6. Donald Peretti, DDSBillings, MT 591011356451074
  7. Richard Prill, DDSBillings, MT 591011942215876
  8. Matthew Prill, DDSBillings, MT 591011710992623

Common questions

What is Ronny Rodriguez Castillo's NPI number?

Ronny Rodriguez Castillo's National Provider Identifier (NPI) is 1184275471, issued on Sep 27, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ronny Rodriguez Castillo located?

The NPPES record lists a practice address at 315 N 25TH St Ste 101, Billings, MT, 59101. Phone: (406) 248-6177. Providers update this record themselves, so call before visiting.

How can I verify Ronny Rodriguez Castillo's license?

NPPES lists Montana license number 19402, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Ronny Rodriguez Castillo prescribe under Medicare Part D?

In 2024, Ronny Rodriguez Castillo had 90 Medicare Part D claims for 39 beneficiaries; the average among dentist prescribers was 86. 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.