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

Dr. Mary Elizabeth Diamond, DO

Individual provider Child & Adolescent Psychiatry Physician · NPI 1962617837

Dr. Mary Elizabeth Diamond, DO is a Psychiatry in Paoli, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1994, 32 years ago. Practices with Med Psych Services LLC, a 6-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
32
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2007
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

41 Paoli Plz Ste D1
Paoli, PA 19301-1367
Phone: (610) 296-9238
Fax: (610) 296-9239
Show map & directions

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

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence OS008869L (PA)

Record details

NPI number1962617837
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 13, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1994 (32 years in practice)
Group practice Med Psych Services Llc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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