NPPES file of Aug 9, 2026

Gary William Greer, DDS, MSD

Orthodontics and Dentofacial Orthopedics Dentistry · San Ramon, CA

Gary William Greer, DDS, MSD is an orthodontics and dentofacial orthopedics dentistry with a practice address in San Ramon, California, and NPI 1023202298, issued on Aug 30, 2007. Check the license (California 25145, 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
1023202298
Name
Gary William Greer
Credential
DDS, MSD
Primary taxonomy
Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X
License number
25145 CA
Self-reported in NPPES; status is on the state search
Practice location
2817 Crow Canyon RD Ste 200, San Ramon, CA 94583
Phone
(925) 838-8770
Enumerated
Aug 30, 2007
Record last updated
Aug 30, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(925) 838-8772
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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Verify Gary William Greer 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 25145
    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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Gary William Greer among 1,881 orthodontics and dentofacial orthopedics dentistry records in California

Gary William Greer, DDS, MSD is one of 1,881 orthodontics and dentofacial orthopedics dentistry records with a practice address in California. 56% 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 2007, is newer than 22% of them.

  • NPI issued2007 · 22% of these records are older, 49% newer
  • In a Medicare fileNo · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223X0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 orthodontics and dentofacial orthopedics dentistry records list a practice address in San Ramon

They are 15 of the 2,281 NPPES records with a practice address in San Ramon, and 1,881 orthodontics and dentofacial orthopedics dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 orthodontics and dentofacial orthopedics dentistry records with the nearest ZIP codes

  1. Arash Abolfazlian, D.D.S., M.S.D.San Ramon, CA 945831780011106
  2. Mehran Hassanzadeh, D.M.DSan Ramon, CA 945831700225752
  3. Caroline Hocking, DDS, MMSCSan Ramon, CA 945831992964662
  4. Marzieh Karkhanechi, DDSSan Ramon, CA 945831043255458
  5. Scott McElroy, DDSSan Ramon, CA 945831548298144
  6. Jesus Patino, DDS, MSSan Ramon, CA 945831093069809
  7. William Patterson, DDSSan Ramon, CA 945831780748525
  8. Harry Van Den Berg, DDSSan Ramon, CA 945831174727648

Common questions

What is Gary William Greer, DDS, MSD's NPI number?

Gary William Greer, DDS, MSD's National Provider Identifier (NPI) is 1023202298, issued on Aug 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gary William Greer, DDS, MSD located?

The NPPES record lists a practice address at 2817 Crow Canyon RD Ste 200, San Ramon, CA, 94583. Phone: (925) 838-8770. Providers update this record themselves, so call before visiting.

How can I verify Gary William Greer, DDS, MSD's license?

NPPES lists California license number 25145, 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.

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.