NPPES file of Aug 9, 2026

Xiaotao Guo, MD

Specialist · Princeton, NJ

Xiaotao Guo, MD is a specialist with a practice address in Princeton, New Jersey, and NPI 1437239670, issued on Oct 16, 2006. Check the license (New Jersey MA64156, as entered in NPPES) with the New Jersey 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
1437239670
Name
Xiaotao Guo
Credential
MD
Primary taxonomy
Specialist 174400000X
License number
MA64156 NJ
Self-reported in NPPES; status is on the state search
Practice location
253 Witherspoon St, Princeton, NJ 08540
Phone
(972) 932-1302
Enumerated
Oct 16, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(972) 932-1312
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.
Download card Updates feed

Also registered at 253 Witherspoon St

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

  1. Daniel Abazia, PHARM.D.Pharmacist1285711895
  2. Melissa Ackerman, MDObstetrics & Gynecology Physician1093877466
  3. Kathy Ales, MDInternal Medicine Physician1689711517
  4. Sharon Barbara, PA-CPhysician Assistant1629121132
  5. Liza Barbarello-Andrews, PHARM.D, R.PH, BCPSPharmacotherapy Pharmacist1558440651
  6. David Barile, MDInternal Medicine Physician1063461283

Verify Xiaotao Guo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license MA64156
    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 New Jersey 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Industry payments in 2024: $56.47

3 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Xiaotao Guo$56.47
  2. Specialty average$4,760.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Xiaotao Guo among 1,636 specialist records in New Jersey

Xiaotao Guo, MD is one of 1,636 specialist records with a practice address in New Jersey. 38% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 48% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileNo · 29% of these records are
  • Record last updated2007 · 83% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 specialist records list a practice address in Princeton

They are 30 of the 1,622 NPPES records with a practice address in Princeton, and 1,636 specialist records in New Jersey.

The 8 specialist records with the nearest ZIP codes

  1. Daniel Broad, MDPrinceton, NJ 085401669562435
  2. Barbara Buck, CRNAPrinceton, NJ 085401619067493
  3. Chu Kuang Chen, MDPrinceton, NJ 085401013007707
  4. Peter Coplin, MDPrinceton, NJ 085401336239557
  5. Linda Fortunato-Sieglen, MDPrinceton, NJ 085401922188051
  6. Jennifer Hirsh, MDPrinceton, NJ 085401588744742
  7. Nancy Hom, CRNAPrinceton, NJ 085401417037672
  8. Joanne Kalish, DOPrinceton, NJ 085401790724292

Common questions

What is Xiaotao Guo, MD's NPI number?

Xiaotao Guo, MD's National Provider Identifier (NPI) is 1437239670, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Xiaotao Guo, MD located?

The NPPES record lists a practice address at 253 Witherspoon St, Princeton, NJ, 08540. Phone: (972) 932-1302. Providers update this record themselves, so call before visiting.

How can I verify Xiaotao Guo, MD's license?

NPPES lists New Jersey license number MA64156, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity 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.