What is Thomas Chen's NPI number?

Thomas Chen's National Provider Identifier (NPI) is 1992875538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Thomas Chen's specialty?

Thomas Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Thomas Chen located?

Thomas Chen's practice location on file with NPPES is 653n Town Center Dr 404, Las Vegas, NV 89144-0518.

What is Thomas Chen's phone number?

The practice phone number listed in the NPPES registry for Thomas Chen is (702) 454-0014.

Does Thomas Chen accept Medicare?

Thomas Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Thomas Chen's NPI active?

Yes — Thomas Chen's NPI (1992875538) is active in the NPPES registry as of the last update on 2015-10-09.

IndividualActiveAccepts Medicare

Thomas Chen, M.D.

NPI 1992875538 · Internal Medicine Physician · Las Vegas, NV

Thomas Chen, M.D. is a Internal Medicine Physician provider in Las Vegas, NV (NPI 1992875538).

Provider details

NPI number: 1992875538
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 8155 (NV)

Practice location

653n Town Center Dr 404

Las Vegas, NV 89144-0518

Phone: (702) 454-0014

Fax: (702) 454-0018

Street-level locationGet directions

More NV providers

Mailing address

Po Box 370908

Las Vegas, NV 89137-0908

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 8155 (NV)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(76/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
20 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
728 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	313	$89
Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442	93	$18
Annual Depression Screening, 5 to 15 MinutesG0444	89	$18
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	88	$126
Administration of Influenza Virus VaccineG0008	57	$32
Admn Sarscov2 Vacc 1 Dose90480	36	$42

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 115 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Amlodipine Besylate	708	196
Atorvastatin Calcium	522	166
Rosuvastatin Calcium	521	151
Losartan Potassium	459	130
Lisinopril	332	97
Metformin Hclbrand: Metformin Hcl Er	318	93

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$364 across 17 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2006-11-09
Last updated: 2015-10-09

Frequently asked questions

What is Thomas Chen's NPI number?: Thomas Chen's National Provider Identifier (NPI) is 1992875538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Thomas Chen's specialty?: Thomas Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Thomas Chen located?: Thomas Chen's practice location on file with NPPES is 653n Town Center Dr 404, Las Vegas, NV 89144-0518.
What is Thomas Chen's phone number?: The practice phone number listed in the NPPES registry for Thomas Chen is (702) 454-0014.
Does Thomas Chen accept Medicare?: Thomas Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Thomas Chen's NPI active?: Yes — Thomas Chen's NPI (1992875538) is active in the NPPES registry as of the last update on 2015-10-09.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	313	$89
Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442	93	$18
Annual Depression Screening, 5 to 15 MinutesG0444	89	$18
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	88	$126
Administration of Influenza Virus VaccineG0008	57	$32
Admn Sarscov2 Vacc 1 Dose90480	36	$42

Drug

Part D claims (2024)

Beneficiaries

Amlodipine Besylate

708

196

Atorvastatin Calcium

522

166

Rosuvastatin Calcium

521

151

Losartan Potassium

459

130

Lisinopril

332

Metformin Hclbrand: Metformin Hcl Er

318

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$364 across 17 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments