Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Jonathan Russell Lockhart, MD, PHD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1467913723

Jonathan Russell Lockhart, MD, PHD is an Internal Medicine in Denver, Colorado. Graduated from University of Alabama School of Medicine in 2019, 7 years ago. Practices with Healthone Clinic Services - Oncology Hematology LLC, a 47-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
7
Trained at
University of Alabama School of Medicine
Licensed in
CO
In the registry since
2019
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1721 E 19th Ave Ste 200
Denver, CO 80218-1242
Phone: (720) 748-4800
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 6620 Main St Fl 12, Houston, TX 77030-2348 — (713) 798-2450
  • 1 Baylor Plz # Ms 220, Houston, TX 77030-3498 — (423) 384-1103

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 74818 (CO)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Internal Medicine Physician Taxonomy 207R00000X · Licence 74818 (CO)

Record details

NPI number1467913723
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 28, 2019
Last updated in NPPESAugust 21, 2025
Certification dateAugust 21, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesHEMATOLOGY
Medical schoolUNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Healthone Clinic Services - Oncology Hematology Llc — 47 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Denver