NPPES file of Aug 9, 2026

Clarisse Elaine Cadang, M.D.

Internal Medicine Physician · Fairfield, CA

Clarisse Elaine Cadang, M.D. is an internal medicine physician with a practice address in Fairfield, California, and NPI 1588083075, issued on Apr 10, 2014. Check the license (California A145810, 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
1588083075
Name
Clarisse Elaine Cadang
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A145810 CA
D0083367 MD
Self-reported in NPPES; status is on the state search
Practice location
4520 Business Center Dr Ste 200, Fairfield, CA 94534
Phone
(707) 646-3500
Enumerated
Apr 10, 2014
Record last updated
Apr 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(707) 646-3501
Medicare enrollment
Enrolled (PECOS I20200116002477); 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 4520 Business Center Dr Ste 200

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

  1. Ankit Dubey, MDInternal Medicine Physician1275191249
  2. Paarth Shah, MDInternal Medicine Physician1548722580

Verify Clarisse Elaine Cadang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A145810
    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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81% fewer Medicare Part D claims than the average internal medicine physician in 2024

596 Medicare Part D claims for 90 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Clarisse Cadang596
  2. Specialty average3,176

Most prescribed

  1. Losartan Potassium62 claims
  2. Atorvastatin Calcium43 claims
  3. Rosuvastatin Calcium40 claims
  4. Amlodipine Besylate38 claims
  5. Fluticasone Propionate20 claims
  6. Levothyroxine Sodium17 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. Sycamore Medical Group IncHercules, CA

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

Clarisse Elaine Cadang among 17,696 internal medicine physician records in California

Clarisse Elaine Cadang, M.D. 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 2014, is newer than 74% of them.

  • NPI issued2014 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2013 · median 2004 among the 11,065 with a school on file
  • Record last updated2020 · 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).

54 internal medicine physician records list a practice address in Fairfield

They are 54 of the 3,595 NPPES records with a practice address in Fairfield, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Amanda Adkins, M.D.Fairfield, CA 945341568635704
  2. Josefina Arenas, M.DFairfield, CA 945341518926484
  3. Larissa Chartrand, M.D.Fairfield, CA 945341851715627
  4. Gurpreet Dhugga, MDFairfield, CA 945341356429161
  5. Richard Fleming, M.D.Fairfield, CA 945341831277722
  6. Andrew Glickstein, M.D.Fairfield, CA 945341891231825
  7. Ella Gupta, D.OFairfield, CA 945341811157126
  8. Thuy-Tien Le, MD, MPHFairfield, CA 945341821418302

Common questions

What is Clarisse Elaine Cadang, M.D.'s NPI number?

Clarisse Elaine Cadang, M.D.'s National Provider Identifier (NPI) is 1588083075, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Clarisse Elaine Cadang, M.D. located?

The NPPES record lists a practice address at 4520 Business Center Dr Ste 200, Fairfield, CA, 94534. Phone: (707) 646-3500. Providers update this record themselves, so call before visiting.

How can I verify Clarisse Elaine Cadang, M.D.'s license?

NPPES lists California license number A145810, 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 Clarisse Elaine Cadang, M.D. prescribe under Medicare Part D?

In 2024, Clarisse Elaine Cadang, M.D. had 596 Medicare Part D claims for 90 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.