NPPES file of Aug 9, 2026

Ronald Joseph Northrop, DDS MD

Oral and Maxillofacial Surgery (Dentist) · Fresno, CA

Ronald Joseph Northrop, DDS MD is an oral and maxillofacial surgery (dentist) with a practice address in Fresno, California, and NPI 1225109549, issued on Nov 10, 2006. Check the license (California 22908, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1225109549
Name
Ronald Joseph Northrop
Credential
DDS MD
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
License number
22908 CA
Self-reported in NPPES; status is on the state search
Practice location
7055 N Fresno St, Fresno, CA 93720
Phone
(559) 432-4911
Enumerated
Nov 10, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(559) 432-3515
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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8 nearest oral and maxillofacial surgery (dentist) records → All 987 in California → Look up another NPI →

Also registered at 7055 N Fresno St

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

  1. Leon Jonker, DDSOral and Maxillofacial Surgery (Dentist)1962570655
  2. Bree Parker, PA-CPhysician Assistant1548927726
  3. Robert Starr, D.D.S.General Practice Dentistry1225131600
  4. Reed Vanwagenen, DDSOral and Maxillofacial Surgery (Dentist)1053489740

Verify Ronald Joseph Northrop in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 22908    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 California license search

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Ronald Joseph Northrop among 987 oral and maxillofacial surgery (dentist) records in California

Ronald Joseph Northrop, DDS MD is one of 987 oral and maxillofacial surgery (dentist) records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 66% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oral and Maxillofacial Surgery (Dentist) providers in California

There are 987 oral and maxillofacial surgery (dentist) records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 987 in California → Every provider in Fresno → Oral and Maxillofacial Surgery (Dentist) nationwide →

The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes

  1. David Adams, DDSFresno, CA 937201831282755
  2. Allen Chien, D.D.S.Fresno, CA 937201518145598
  3. Harold Cook, DMDFresno, CA 937201497848329
  4. Thomas Curiel, DMDFresno, CA 937201104113455
  5. Scott Fimbres, DDSFresno, CA 937201982797825
  6. Brian Huh, DMDFresno, CA 937201417390253
  7. Leon Jonker, DDSFresno, CA 937201962570655
  8. Bernard Karian, D.D.S.Fresno, CA 937201962508549

Common questions

What is Ronald Joseph Northrop, DDS MD's NPI number?

Ronald Joseph Northrop, DDS MD's National Provider Identifier (NPI) is 1225109549, issued on Nov 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Joseph Northrop, DDS MD located?

The NPPES record lists a practice address at 7055 N Fresno St, Fresno, CA, 93720. Phone: (559) 432-4911. Providers update this record themselves, so call before visiting.

How can I verify Ronald Joseph Northrop, DDS MD's license?

NPPES lists California license number 22908, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.