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

Melissa Ann Trimmer, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1386935146

Melissa Ann Trimmer, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in York, Pennsylvania. Qualified in 2011, 15 years ago. Practices with Wellspan Medical Group, a 2,342-clinician group, works from 13 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
15
Licensed in
PA
In the registry since
2011
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

25 Monument Rd Ste 270
York, PA 17403-5073
Phone: (717) 741-8250
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (12)

  • 361 Alexander Spring Rd, Carlisle, PA 17015-6940 — (717) 782-3282
  • 12 St Paul Dr Ste 100, Chambersburg, PA 17201-1035 — (717) 217-6072
  • 112 N 7th St, Chambersburg, PA 17201-1720 — (717) 267-7164
  • 169 Martin Ave, Ephrata, PA 17522-1734 — (717) 733-0311
  • 236 West St, Gettysburg, PA 17325-2509 — (717) 338-4500
  • 147 Gettys St, Gettysburg, PA 17325-2534 — (717) 337-4168
  • 1227 Baltimore St, Hanover, PA 17331-4406 — (717) 646-4204
  • 252 S 4th St, Lebanon, PA 17042-6111 — (717) 270-7500
  • 501 E Main St, Waynesboro, PA 17268-2353 — (717) 765-3425
  • 55 Monument Rd, York, PA 17403-5023 — (717) 812-6425
  • 1001 S George St, York, PA 17403-3676 — (717) 851-2345
  • 55 Monument Rd, York, PA 17403-5023 — (717) 812-6425

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RN545505 (PA)

Record details

NPI number1386935146
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedApril 28, 2011
Last updated in NPPESFebruary 10, 2025
Certification dateFebruary 10, 2025

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Wellspan Medical Group — 2342 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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