NPPES file of Aug 9, 2026

Josephus-Ian Lumongsud Sanjorjo, MD

Nephrology Physician · Daly City, CA

Josephus-Ian Lumongsud Sanjorjo, MD is a nephrology physician with a practice address in Daly City, California, and NPI 1073808168, issued on Jun 16, 2011. Check the license (California A117377, 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
1073808168
Name
Josephus-Ian Lumongsud Sanjorjo
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A117377 CA
Self-reported in NPPES; status is on the state search
Practice location
1800 Sullivan Ave, Daly City, CA 94015
Phone
(650) 817-7188
Enumerated
Jun 16, 2011
Record last updated
Feb 7, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(650) 513-8788
Medicare enrollment
Enrolled (PECOS I20150117000293); accepts Medicare assignment
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 1800 Sullivan Ave

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

  1. Edgardo Alicaway, MDNeurology Physician1912954298
  2. Angelo Arcilla, MEDICAL DOCTORFamily Medicine Physician1821093394
  3. Naoum Baladi, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1295740173
  4. Peter Brion, M.D.Pulmonary Disease Physician1801896311
  5. Charlene Mae BuenoPhysical Therapist1376027201
  6. Pedro Cajator, MEDICAL DOCTORFamily Medicine Physician1215932793

Verify Josephus-Ian Lumongsud Sanjorjo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A117377
    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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23% more Medicare Part D claims than the average nephrology physician in 2024

1,808 Medicare Part D claims for 292 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Josephus-Ian Sanjorjo1,808
  2. Specialty average1,465

Most prescribed

  1. Furosemide98 claims
  2. Losartan Potassium94 claims
  3. Amlodipine Besylate87 claims
  4. Doxazosin Mesylate79 claims
  5. Allopurinol77 claims
  6. Sevelamer Carbonate77 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.

Industry payments in 2024: $1,297.02

65 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Josephus-Ian Sanjorjo$1,297.02
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. County OF San MateoSan Mateo, CA
  2. San Mateo Dialysis AssociatesBurlingame, CA

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

Josephus-Ian Lumongsud Sanjorjo among 1,468 nephrology physician records in California

Josephus-Ian Lumongsud Sanjorjo, MD is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 76% of them.

  • NPI issued2011 · 76% of these records are older, 20% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2008 · median 2001 among the 1,128 with a school on file
  • Record last updated2015 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

The 8 nephrology physician records with the nearest ZIP codes

  1. Daniel Angeli, MDDaly City, CA 940151326417916
  2. Warren Chang, MDDaly City, CA 940151083674550
  3. Christian Cruz, MDDaly City, CA 940151023182227
  4. Philip Hertz, MDDaly City, CA 940151760443725
  5. Albert Kao, MDDaly City, CA 940151225099286
  6. Aung Kyaw Maung, M.DDaly City, CA 940151518288877
  7. Hector Santiesteban, MEDICAL DOCTORDaly City, CA 940151245235738
  8. Robert Tseng, MDDaly City, CA 940151053371559

Common questions

What is Josephus-Ian Lumongsud Sanjorjo, MD's NPI number?

Josephus-Ian Lumongsud Sanjorjo, MD's National Provider Identifier (NPI) is 1073808168, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Josephus-Ian Lumongsud Sanjorjo, MD located?

The NPPES record lists a practice address at 1800 Sullivan Ave, Daly City, CA, 94015. Phone: (650) 817-7188. Providers update this record themselves, so call before visiting.

How can I verify Josephus-Ian Lumongsud Sanjorjo, MD's license?

NPPES lists California license number A117377, 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 Josephus-Ian Lumongsud Sanjorjo, MD prescribe under Medicare Part D?

In 2024, Josephus-Ian Lumongsud Sanjorjo, MD had 1,808 Medicare Part D claims for 292 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.