Nelson Butay, DDS
General Practice Dentistry · Upland, CA
Nelson Butay, DDS is a general practice dentistry with a practice address in Upland, California, and NPI 1992898498, issued on Oct 2, 2006. Check the license (California 48887, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nelson Butay
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 48887 CA
Self-reported in NPPES; status is on the state search - Practice location
- 265 N Euclid Ave, Upland, CA 91786
- Phone
- (909) 985-8989
- Enumerated
- Oct 2, 2006
- Record last updated
- Feb 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (909) 297-3008
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Nelson Butay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 48887Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average general practice dentistry in 2024
59 Medicare Part D claims for 31 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin34 claims
- Ibuprofen17 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.
Nelson Butay among 17,852 general practice dentistry records in California
Nelson Butay, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2019 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 general practice dentistry records list a practice address in Upland
They are 59 of the 1,846 NPPES records with a practice address in Upland, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Upland → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Elenor Aguilar, DDSUpland, CA 917861184727174
- Byron Bernstine, DDSUpland, CA 917861447323902
- Rock Chapman, DDSUpland, CA 917861811060296
- Eric Chiang, D.D.S.Upland, CA 917861407956162
- William Domb, DMDUpland, CA 917861215901335
- Steven Fraker, DDSUpland, CA 917861538175781
- John Greenwood, DDSUpland, CA 917861891898201
- Effuah Harris, DDSUpland, CA 917861174623706
Common questions
What is Nelson Butay, DDS's NPI number?
Nelson Butay, DDS's National Provider Identifier (NPI) is 1992898498, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nelson Butay, DDS located?
The NPPES record lists a practice address at 265 N Euclid Ave, Upland, CA, 91786. Phone: (909) 985-8989. Providers update this record themselves, so call before visiting.
How can I verify Nelson Butay, DDS's license?
NPPES lists California license number 48887, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nelson Butay, DDS prescribe under Medicare Part D?
In 2024, Nelson Butay, DDS had 59 Medicare Part D claims for 31 beneficiaries; the average among general practice dentistry prescribers was 83. 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.