Decerie Baculi Dayag, MD
Internal Medicine Physician · Upland, CA
Decerie Baculi Dayag, MD is an internal medicine physician with a practice address in Upland, California, and NPI 1336660901, issued on Jul 4, 2017. Check the license (California A169662, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Decerie Baculi Dayag
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A169662 CA
Self-reported in NPPES; status is on the state search - Practice location
- 811 E 11TH St Ste 208, Upland, CA 91786
- Phone
- (909) 985-0883
- Enumerated
- Jul 4, 2017
- Record last updated
- Dec 18, 2025
- Fax
- (909) 985-5762
- Medicare enrollment
- Enrolled (PECOS I20260213003781); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 811 E 11TH St Ste 208
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mysore Nagaraja, M.D.Gastroenterology Physician1760451298
Verify Decerie Baculi Dayag in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A169662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Decerie Baculi Dayag among 17,696 internal medicine physician records in California
Decerie Baculi Dayag, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2014 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in Upland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nahel Al Bouz, M.D.Upland, CA 917861326235136
- Susan Biegel, M.D.Upland, CA 917861710956412
- Michael Chai, M.D.Upland, CA 917861083748727
- Johnny Choi, M.D.Upland, CA 917861376640714
- Michael Creagan, MDUpland, CA 917861487813002
- David Engelhardt, M.D.Upland, CA 917861972595122
- Ghassan Hadi, M.D.Upland, CA 917861558497891
- Bhupal Kommineni, MD FACPUpland, CA 917861457324808
Common questions
What is Decerie Baculi Dayag, MD's NPI number?
Decerie Baculi Dayag, MD's National Provider Identifier (NPI) is 1336660901, issued on Jul 4, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Decerie Baculi Dayag, MD located?
The NPPES record lists a practice address at 811 E 11TH St Ste 208, Upland, CA, 91786. Phone: (909) 985-0883. Providers update this record themselves, so call before visiting.
How can I verify Decerie Baculi Dayag, MD's license?
NPPES lists California license number A169662, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.