DR. MARK YUNGJIE JENG MD, PHD
NPI 1467080184
Internal Medicine - Medical Oncology in New York, NY

Active since March 29, 2020PECOS Enrolled
1275 YORK AVE, NEW YORK, NY 10065(212) 639-5809 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 10, 2026, Mar 29, 2020 (2 updates tracked since 2020).

About Dr. Mark Yungjie Jeng Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK YUNGJIE JENG MD, PHD (NPI 1467080184) is an individual medical oncology provider in New York, New York, licensed in New York (323178) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2020).

NPPES Registry Identity

NPI1467080184
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. MARK YUNGJIE JENGCredential: MD, PHD
Location Address1275 YORK AVENew York, NY 10065-6007
Mailing Address1275 York AveNew York, NY 10065-6007 · (212) 639-5809
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 2020
Enumeration DateMarch 29, 2020
Last NPPES UpdateMarch 10, 20262 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
NPI 1467080184 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in NY · 323178
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
1275 YORK AVE, New York, NY 10065

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Mark Yungjie Jeng Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1658789326
PECOS Enrollment IDI20260602001523
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$198.19 typical visit price
range $65.69 – $198.19
Typical copayment $49.54 (range $16.42 – $49.54)
Most-billed visit code 99205
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
Nurse Practitioner (Acute Care)
1275 YORK AVE
NEW YORK, NY 10065
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
Nurse Practitioner (Pediatrics)
1275 YORK AVE
NEW YORK, NY 10065
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
Internal Medicine (Hematology & Oncology)
1275 YORK AVE
NEW YORK, NY 10065
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
Special Hospital
1275 YORK AVE, MEMORIAL SLOAN KETTERING CANCER CENTRE
NEW YORK, NY 10065

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Jeng's NPI number?

The NPI number for Mark Jeng is 1467080184. It was assigned to this individual provider in the NPPES registry on March 29, 2020.

Where is Mark Jeng located?

Mark Jeng practices at 1275 York Ave, New York, NY 10065. The listed phone number is (212) 639-5809.

What is Mark Jeng's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Mark Jeng enrolled in Medicare?

Yes. Mark Jeng is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Jeng was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.