Providers
CLARIBEL K TAN, M.D.
NPI 1649249483, individual, Anchorage, AK, Internal Medicine, Rheumatology
Evidence tier
No indicators
No detector reached this NPI and it appears on none of the loaded lists.
Public list actions
OIG exclusion July 20, 2026 under section 1128a3
Physician (MD, DO), Internal Medicine, Adelanto, CA
National provider registry
From the CMS NPPES Registry, refreshed daily.
| Name | CLARIBEL K TAN, M.D. |
| Type | Individual |
| Status | Active |
| NPI issued | March 15, 2006, last updated July 31, 2008 |
| Practice location | 2401 E 42ND AVENUE, SUITE 102, Anchorage, AK 99508, 907-929-1859 |
| Mailing address | PO BOX 240985, Anchorage, AK 99524-0985 |
| Specialties | Internal Medicine, Rheumatology (207RR0500X, primary, license 5689 AK) |
In this area
5 providers in Anchorage, AK carry an indicator in the public record, with $785K at stake between them. The most common is part of a provider network, on 2 of them, followed by named in an enforcement record on 1. 1 is tier 1: documented action, then payment.
| tier | provider | at stake | why |
|---|---|---|---|
| 1 | 3707 OREGON LLC Anchorage, AK, ranked 660 | $0 |
|
| 3 | EH HEALTH HOSPICE OF THE NORTHWEST, LLC Anchorage, AK, ranked 1915 | $0 |
|
| 3 | MD CHOICE HOSPICE OF ALASKA INC Anchorage, AK, ranked 5983 | $0 |
|
| 5 | DANIEL MARDONES Anchorage, AK, ranked 10155 | $785K |
|
| 5 | DAWN UNDERWOOD Anchorage, AK, ranked 11350 | $32 |
|
Recent enforcement in AK
All releasesDepartment of Justice and HHS-OIG releases for this state, newest first. Each opens in a new tab.
DOJSentencedMar 18, 2026
Anchorage Doctor Sentenced to Prison for Multi-Million-Dollar Health Care Fraud and Tax Evasion
The Tans deceived patients about the medications injected, injecting free samples, expired medications and medications other than those prescribed, and billed more than 10 insurance plans for 4,829 units of medication despite purchasing only 369 units, and filed false tax returns overstating clinic expenses.
DOJPleaded guiltyNov 18, 2025
Anchorage Doctor and Husband Plead Guilty to Multi-Million Dollar Health Care, Tax Fraud Schemes
An Anchorage rheumatologist and her husband underdosed patients, injected free samples, expired, or different medications, and billed more than 10 insurance plans for 4,829 units of medication despite purchasing only 369 units, and overstated clinic expenses on tax returns.
DOJIndictedJul 22, 2024
Alaska Doctor and Her Husband Charged with Health Care Fraud and Tax Evasion
The indictment alleges the couple defrauded health care benefit programs by causing the submission of false claims that misrepresented the type and dosage of medication and the scope of medical services provided to patients, created false medical records, and evaded income taxes.
DOJIndictedJul 22, 2024
Anchorage doctor and her husband charged with health care fraud and tax evasion
The indictment alleges the couple defrauded health care benefit programs by causing the submission of false claims that misrepresented the type and dosage of medication and the scope of medical services provided to patients, created false medical records, and evaded income taxes.
DOJIndictedFeb 19, 2024
Matanuska Valley Woman charged with healthcare fraud, false statements
Beginning in January 2017, Dobbs allegedly executed and attempted to execute a scheme to defraud healthcare benefit programs and made a false statement to a federally insured bank in a loan application.
Referral packet
The packet is a draft for a reviewer. It reads every public record behind this case, states what the records show with a citation for each finding, names the regulation each finding relates to, and lists the ordinary explanations to rule out first. It never asserts intent.