NPPES file of Aug 9, 2026

Jill J. Tiongco, MD

Internal Medicine Physician · Carmel, CA

Jill J. Tiongco, MD is an internal medicine physician with a practice address in Carmel, California, and NPI 1861442196, issued on May 10, 2006. Check the license (California C53805, 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
1861442196
Name
Jill J. Tiongco
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
C53805 CA
Self-reported in NPPES; status is on the state search
Practice location
275 The Crossroads, Carmel, CA 93923
Phone
(831) 718-9701
Enumerated
May 10, 2006
Record last updated
Sep 20, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
928260 AZ
Medicare enrollment
Enrolled (PECOS I20091106000447); 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 275 The Crossroads

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

  1. Laurel Moody, NPNurse Practitioner1215982152
  2. David Straface, MDInternal Medicine Physician1922178847

Verify Jill J. Tiongco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C53805
    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

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39% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,949 Medicare Part D claims for 188 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Jill Tiongco1,949
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium187 claims
  2. Levothyroxine Sodium122 claims
  3. Rosuvastatin Calcium122 claims
  4. Amlodipine Besylate101 claims
  5. Lisinopril86 claims
  6. Losartan Potassium67 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: $24.68

1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jill Tiongco$24.68
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. Montage Medical GroupMonterey, CA

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

Jill J. Tiongco among 17,696 internal medicine physician records in California

Jill J. Tiongco, 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. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1999 · median 2004 among the 11,065 with a school on file
  • Record last updated2012 · 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).

12 internal medicine physician records list a practice address in Carmel

They are 12 of the 245 NPPES records with a practice address in Carmel, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jessitasinghna Albert Messiah Dhas, MDCarmel, CA 939231508392911
  2. Carl Bergstrom, MDCarmel, CA 939231407937139
  3. Walter Holz, MDCarmel, CA 939231255443495
  4. Andrew Johnston, MDCarmel, CA 939231710931019
  5. Denise Mark, M.D.Carmel, CA 939231558437004
  6. Matthew NeohCarmel, CA 939231215390935
  7. Roger Newton, M.D.Carmel, CA 939231902270374
  8. Gediminas Ruibys, M.D.Carmel, CA 939231932365780

Common questions

What is Jill J. Tiongco, MD's NPI number?

Jill J. Tiongco, MD's National Provider Identifier (NPI) is 1861442196, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jill J. Tiongco, MD located?

The NPPES record lists a practice address at 275 The Crossroads, Carmel, CA, 93923. Phone: (831) 718-9701. Providers update this record themselves, so call before visiting.

How can I verify Jill J. Tiongco, MD's license?

NPPES lists California license number C53805, 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 Jill J. Tiongco, MD prescribe under Medicare Part D?

In 2024, Jill J. Tiongco, MD had 1,949 Medicare Part D claims for 188 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.