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

Katherine Gruber Wafer, CRNP

Individual provider Family Medicine Physician · NPI 1164617379

Katherine Gruber Wafer, CRNP is a Nurse Practitioner in Hagerstown, Maryland. Qualified in 2017, 9 years ago. Practices with Post Acute Telehealth PC, a 66-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Maryland and Michigan.

Years since qualifying
9
Licensed in
MD, MI
In the registry since
2007
Specialties on file
3
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

201 S Cleveland Ave
Hagerstown, MD 21740-5745
Phone: (301) 745-3777
Show map & directions

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

Additional practice locations (1)

  • 1741 Dual Hwy Ste A, Hagerstown, MD 21740-6626 — (301) 790-0254

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence R164999 (MD)
Family Medicine Physician Taxonomy 207Q00000X · Licence R164999 (MD)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 4704339284 (MI)

Record details

NPI number1164617379
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedSeptember 11, 2007
Last updated in NPPESMarch 4, 2026
Certification dateMarch 4, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Post Acute Telehealth Pc — 66 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations40 on file with Medicare

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