Junjing Guo, MD,PHD
Hematology & Oncology Physician · New York, NY
Junjing Guo, MD,PHD is a hematology & oncology physician with a practice address in New York, New York, and NPI 1700348984, issued on Apr 5, 2019. Check the license (New York 333268, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Junjing Guo
- Credential
- MD,PHD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 333268 NY
Self-reported in NPPES; status is on the state search - Practice location
- 12 E 86TH St, New York, NY 10028
- Phone
- (212) 861-6660
- Enumerated
- Apr 5, 2019
- Record last updated
- Jul 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20250204001460); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 12 E 86TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin AschermanHematology & Oncology Physician1841828829
- Mark Chapman, M.D.Gastroenterology Physician1649294661
- Fernando Clemente, M.D.Specialist1588923957
- Eugene Fine, MDUrology Physician1699841718
- Cheryl Kramer, LPPsychoanalyst1902245392
- Irwin Leventhal, MDUrology Physician1386710192
Verify Junjing Guo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 333268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
183 Medicare Part D claims for 39 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Prednisone28 claims
- Abiraterone Acetate24 claims
- Xtandi19 claims
- Anastrozole12 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.
Bills Medicare through one group practice
- North Shore Hematology Oncology Associates PCPort Jefferson Station, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Junjing Guo among 1,163 hematology & oncology physician records in New York
Junjing Guo, MD,PHD is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2005 · median 2002 among the 833 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New York
There are 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in New York → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Joseph Ament, M.D.New York, NY 100281740212166
- Elliot Belenkov, M.D.New York, NY 100281093785396
- Seymour Cohen, M.D.New York, NY 100281477552404
- Anna Gattani, MDNew York, NY 100281255333811
- Robert Glassman, MDNew York, NY 100281558447946
- Michael Goldsmith, M.D.New York, NY 100281528067550
- Steven Gruenstein, M.D.New York, NY 100281407855307
- Amory Novoselac, M.D.New York, NY 100281699852962
Common questions
What is Junjing Guo, MD,PHD's NPI number?
Junjing Guo, MD,PHD's National Provider Identifier (NPI) is 1700348984, issued on Apr 5, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Junjing Guo, MD,PHD located?
The NPPES record lists a practice address at 12 E 86TH St, New York, NY, 10028. Phone: (212) 861-6660. Providers update this record themselves, so call before visiting.
How can I verify Junjing Guo, MD,PHD's license?
NPPES lists New York license number 333268, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Junjing Guo, MD,PHD prescribe under Medicare Part D?
In 2024, Junjing Guo, MD,PHD had 183 Medicare Part D claims for 39 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.
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.