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

Dr. Charles M Janssens, DO

Individual provider Internal Medicine Physician · NPI 1740448489

Dr. Charles M Janssens, DO is an Internal Medicine in Ctr Ossipee, New Hampshire. Qualified in 2007, 19 years ago. Practices with Post Acute Care Specialists LLC, a 4-clinician group, works from 7 locations and accepts Medicare assignment. Licensed in Alabama, New York, Ohio and Pennsylvania and 1 more.

Years since qualifying
19
Licensed in
AL, NY, OH, PA, TX
In the registry since
2008
Specialties on file
5
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

68 Route 16B
Ctr Ossipee, NH 03814-6850
Phone: (603) 651-1441
Show map & directions

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

Additional practice locations (6)

  • 6 Office Park Cir Ste 215, Mountain Brk, AL 35223-2541 — (205) 201-0615
  • 6435 108th St, Forest Hills, NY 11375-1612 — (718) 400-9100
  • 30 E Apple St, Dayton, OH 45409-2939 — (937) 208-8394
  • 1 Medical Center Dr, Middletown, OH 45005-2584 — (513) 705-4754
  • 3130 N County Road 25a, Troy, OH 45373-1337 — (937) 440-4466
  • 505 Main St, Fort Worth, TX 76102-5489 — (317) 885-2860

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 34.011017 (OH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 326356 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence U7119 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence OS024267 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 3445 (AL)

Record details

NPI number1740448489
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 29, 2008
Last updated in NPPESSeptember 4, 2025
Certification dateSeptember 4, 2025
Mailing address68 Route 16b, Ctr Ossipee, NH 03814-6850

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Post Acute Care Specialists Llc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount