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

Mary Ellen King, DO

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1124050497

Mary Ellen King, DO is an Internal Medicine in Middletown, New York. Graduated from Nova Southeastern Univ College of Dental Medicine in 1998, 28 years ago. Practices with Crystal Run Healthcare Physicians LLP, a 366-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
28
Trained at
Nova Southeastern Univ College of Dental Medicine
Licensed in
NY
In the registry since
2006
Specialties on file
3
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

155 Crystal Run Rd
Middletown, NY 10941-4028
Phone: (845) 703-6999
Fax: (845) 703-6297
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 220224 (NY)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 220224 (NY)
Hospitalist Physician Taxonomy 208M00000X · Licence 220224 (NY)

Record details

NPI number1124050497
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESFebruary 20, 2024
Certification dateFebruary 20, 2024
Mailing address155 Crystal Run Rd, Middletown, NY 10941-4028

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNOVA SOUTHEASTERN UNIV COLLEGE OF DENTAL MEDICINE
Graduated 1998 (28 years in practice)
Group practice Crystal Run Healthcare Physicians Llp — 366 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount