NPPES file of Aug 9, 2026

Sun Jiang Guo, M.D.

Specialist · Fort Wayne, IN

Sun Jiang Guo, M.D. is a specialist with a practice address in Fort Wayne, Indiana, and NPI 1942211362, issued on Aug 10, 2006. Check the license (Indiana 01029090A, as entered in NPPES) with the Indiana board that licenses this profession; 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
1942211362
Name
Sun Jiang Guo
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
01029090A IN
Self-reported in NPPES; status is on the state search
Practice location
2121 Lake Ave, Fort Wayne, IN 46805
Phone
(260) 426-5431
Enumerated
Aug 10, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest specialist records → All 408 in Indiana → Look up another NPI →

Also registered at 2121 Lake Ave

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

  1. Junaid Akhtar, MDInternal Medicine Physician1073629614
  2. Eve Alberini, NPFamily Nurse Practitioner1255536348
  3. Michael Allison, RNRegistered Nurse1144969890
  4. Sarah Altizer, LCSWClinical Social Worker1689255721
  5. Angela Anabtawi, RNRegistered Nurse1043911365
  6. Jessica Anderson, RNRegistered Nurse1073444295

Verify Sun Jiang Guo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 01029090A    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
Find the Indiana license search

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99% fewer Medicare Part D claims than the average specialist in 2024

12 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Sun Guo12
  2. Specialty average1,380

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.

Sun Jiang Guo among 408 specialist records in Indiana

Sun Jiang Guo, M.D. is one of 408 specialist records with a practice address in Indiana. 24% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 53% newer
  • In a Medicare fileYes · 24% of these records are
  • In the CMS Doctors and Clinicians fileNo · 15% of these records are
  • Record last updated2007 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Indiana

There are 408 specialist records in Indiana.

All 408 in Indiana → Every provider in Fort Wayne → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. William Argus, M.D.Fort Wayne, IN 468041093746851
  2. Ashok Kadambi, MDFort Wayne, IN 468041902863038
  3. Jeffrey Sassmannshausen, M.D.Fort Wayne, IN 468041316928195
  4. Ryan Uptgraft, COTAFort Wayne, IN 468041669643227
  5. Giridhar VeerulaFort Wayne, IN 468041154421303
  6. Bernice WilsonFort Wayne, IN 468071649458662
  7. May Dahman, COTAFort Wayne, IN 468091265588404
  8. Christina Machielson, DPT,OCSFort Wayne, IN 468091730105339

Common questions

What is Sun Jiang Guo, M.D.'s NPI number?

Sun Jiang Guo, M.D.'s National Provider Identifier (NPI) is 1942211362, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sun Jiang Guo, M.D. located?

The NPPES record lists a practice address at 2121 Lake Ave, Fort Wayne, IN, 46805. Phone: (260) 426-5431. Providers update this record themselves, so call before visiting.

How can I verify Sun Jiang Guo, M.D.'s license?

NPPES lists Indiana license number 01029090A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Sun Jiang Guo, M.D. prescribe under Medicare Part D?

In 2024, Sun Jiang Guo, M.D. had 12 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.