NPPES file of Aug 9, 2026

Gecelle Lumampao De Guia, DO

Adult Medicine Physician · Daly City, CA

Gecelle Lumampao De Guia, DO is an adult medicine physician with a practice address in Daly City, California, and NPI 1437786878, issued on Mar 25, 2020. Check the license (California 20A21161, as entered in NPPES) on the Medical Board of California; 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
1437786878
Name
Gecelle Lumampao De Guia
Credential
DO
Primary taxonomy
Adult Medicine Physician 207QA0505X
License number
20A21161 CA
Self-reported in NPPES; status is on the state search
Practice location
395 Hickey Blvd, Daly City, CA 94015
Phone
(559) 499-6450
Enumerated
Mar 25, 2020
Record last updated
Oct 6, 2023
Medicare enrollment
Enrolled (PECOS I20231122000667); accepts Medicare assignment
Medical or professional school
Touro Un Col Of Osteopathic Medicine, Henderson, 2020
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 395 Hickey Blvd

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

  1. Alea Angeja, MDObstetrics & Gynecology Physician1528146131
  2. Juanito Austria, MDInternal Medicine Physician1558449041
  3. Alice Azus, ODOptometrist1598814527
  4. William Babbitt, M.D.Pediatric Adolescent Medicine Physician1578900635
  5. Eleanor Becker, MDOphthalmology Physician1720166317
  6. Dawn Belardinelli, MDPediatrics Physician1235201054

Verify Gecelle Lumampao De Guia in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A21161
    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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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13% fewer Medicare Part D claims than the average adult medicine physician in 2024

2,603 Medicare Part D claims for 431 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 67 claims were for opioids.

  1. Gecelle De Guia2,603
  2. Specialty average3,002

Most prescribed

  1. Atorvastatin Calcium272 claims
  2. Losartan Potassium188 claims
  3. Amlodipine Besylate140 claims
  4. Lisinopril106 claims
  5. Levothyroxine Sodium94 claims
  6. Hydrochlorothiazide67 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncDaly City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gecelle Lumampao De Guia among 386 adult medicine physician records in California

Gecelle Lumampao De Guia, DO is one of 386 adult medicine physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.

  • NPI issued2020 · 84% of these records are older, 12% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2020 · median 2005 among the 187 with a school on file
  • Record last updated2023 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Medicine Physician providers in California

There are 386 adult medicine physician records in California.

The 8 adult medicine physician records with the nearest ZIP codes

  1. Alvaro Rodriguez, M.D.Half Moon Bay, CA 940191497797559
  2. Radhika Varma, MDBurlingame, CA 940101356617070
  3. Patricia Muller, M.DLos Altos, CA 940221376664185
  4. Ronald Hoffman, M.D.Mountain View, CA 940401700943842
  5. Katherine Young, MDRedwood City, CA 940631740807783
  6. Bin Jiang, MD, PHDSouth San Francisco, CA 940801447982491
  7. Elizabeth Kantor, MDSan Francisco, CA 941021467584490
  8. Thanh Tran, MDSan Francisco, CA 941021134264831

Common questions

What is Gecelle Lumampao De Guia, DO's NPI number?

Gecelle Lumampao De Guia, DO's National Provider Identifier (NPI) is 1437786878, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Gecelle Lumampao De Guia, DO located?

The NPPES record lists a practice address at 395 Hickey Blvd, Daly City, CA, 94015. Phone: (559) 499-6450. Providers update this record themselves, so call before visiting.

How can I verify Gecelle Lumampao De Guia, DO's license?

NPPES lists California license number 20A21161, 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.

How much does Gecelle Lumampao De Guia, DO prescribe under Medicare Part D?

In 2024, Gecelle Lumampao De Guia, DO had 2,603 Medicare Part D claims for 431 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.