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

John Bak, CRNP

Individual provider Critical Care Medicine Nurse Practitioner · NPI 1235770702

John Bak, CRNP is a Nurse Practitioner in Danville, Pennsylvania. Qualified in 2019, 7 years ago. Practices with Evangelical Medical Services Organization, a 259-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
7
Licensed in
PA
In the registry since
2019
Specialties on file
2
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

100 N Academy Ave
Danville, PA 17822-2695
Phone: (570) 271-6523
Fax: (570) 271-8056
Show map & directions

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

Additional practice locations (1)

  • 3 Hospital Dr Ste 206, Lewisburg, PA 17837-9394 — (570) 524-4141

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence SP020925 (PA)
Critical Care Medicine Nurse Practitioner Taxonomy 363LC0200X · Licence SP020925 (PA)

Record details

NPI number1235770702
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNP
Sole proprietorNo
NPI enumeratedOctober 4, 2019
Last updated in NPPESFebruary 3, 2026
Certification dateFebruary 3, 2026
Mailing address100 N Academy Ave, Danville, PA 17822-4903

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Evangelical Medical Services Organization — 259 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Danville