NPPES file of Aug 9, 2026

Chaojie Chen, M.D.

Internal Medicine Physician · Reno, NV

Chaojie Chen, M.D. is an internal medicine physician with a practice address in Reno, Nevada, and NPI 1275823700, issued on Apr 18, 2011. Check the license (Nevada 29916, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275823700
Name
Chaojie Chen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
29916 NV
MD2018-0857 NM
126644 OH
Self-reported in NPPES; status is on the state search
Practice location
21 Locust St, Reno, NV 89502
Phone
(775) 982-5000
Enumerated
Apr 18, 2011
Record last updated
Aug 4, 2026
Fax
(775) 982-3900
Medicare enrollment
Enrolled (PECOS I20190510000704); accepts Medicare assignment
Medical or professional school
Northeastern Ohio University College Of Medicine, 2011
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 21 Locust St

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

  1. Jane Bartlett, APNRegistered Nurse1336112671
  2. Kayla CavanaughRegistered Nurse1497624522
  3. Christina Coss, APRNFamily Nurse Practitioner1366971616
  4. Liane Darval, PHARMDAmbulatory Care Pharmacist1447794722
  5. Elizabeth Ebueng, M.D.Family Medicine Physician1265883755
  6. Rachel FisherPharmacist1134596471

Verify Chaojie Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 29916
    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 Nevada 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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89% more Medicare Part D claims than the average internal medicine physician in 2024

6,007 Medicare Part D claims for 449 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 185 claims were for opioids.

  1. Chaojie Chen6,007
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium389 claims
  2. Levothyroxine Sodium319 claims
  3. Lisinopril313 claims
  4. Amlodipine Besylate243 claims
  5. Hydrochlorothiazide205 claims
  6. Gabapentin191 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 82.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.1
  2. Costout of 100 · 30%54.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $323.79

14 payments; by number, the most common kind was food and beverage; the largest payer was Insulet Corporation. 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. Chaojie Chen$323.79
  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. San Juan Regional Medical Center, Inc.Farmington, NM

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

Chaojie Chen among 1,229 internal medicine physician records in Nevada

Chaojie Chen, M.D. is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% 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 58% of them.

  • NPI issued2011 · 58% of these records are older, 39% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2011 · median 2006 among the 772 with a school on file
  • Record last updated2026 · 43% 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 Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

159 internal medicine physician records list a practice address in Reno

They are 159 of the 11,565 NPPES records with a practice address in Reno, and 1,229 internal medicine physician records in Nevada.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Rommel Adajar, MDReno, NV 895021336168707
  2. Kirk Bronander, M.D.Reno, NV 895021497763445
  3. Philip Davis, MDReno, NV 895021497787717
  4. Rebeca Hamilton, M.D.Reno, NV 895021477526978
  5. James Hemsley, DOReno, NV 895021770567539
  6. Amy Khan, M.D., MPHReno, NV 895021346289964
  7. Elena Nyhan, M.D.Reno, NV 895021700814399
  8. Andreia Pop, MDReno, NV 895021174544787

Common questions

What is Chaojie Chen, M.D.'s NPI number?

Chaojie Chen, M.D.'s National Provider Identifier (NPI) is 1275823700, issued on Apr 18, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Chaojie Chen, M.D. located?

The NPPES record lists a practice address at 21 Locust St, Reno, NV, 89502. Phone: (775) 982-5000. Providers update this record themselves, so call before visiting.

How can I verify Chaojie Chen, M.D.'s license?

NPPES lists Nevada license number 29916, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chaojie Chen, M.D. prescribe under Medicare Part D?

In 2024, Chaojie Chen, M.D. had 6,007 Medicare Part D claims for 449 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Chaojie Chen, M.D.'s MIPS final score?

The 2023 MIPS final score is 82.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.