Doctor profile · Federal record

Dr. Maria Trees, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Harrisburg, PA

  • NPI 1013015866
  • Accepts Medicare
  • MIPS 79.5 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
845 Sir Thomas Court, Suite 7
Harrisburg, PA 17109
(717) 651-5800
Mailing address
1020 Country Club Road
Camp Hill, PA 17011

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Pennsylvania #MA002687L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013015866. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,752
Distinct HCPCS
10
Medicare allowed
$127,393
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,279 297 $65
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 126 124 $143
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 82 56 $40
99239 Hospital discharge day management, more than 30 minutes 78 77 $95
99238 Hospital discharge day management, 30 minutes or less 44 44 $66
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 34 19 $62
99213 Established patient office or other outpatient visit, 20-29 minutes 33 14 $72
99214 Established patient office or other outpatient visit, 30-39 minutes 30 16 $98
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 28 28 $111
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 18 18 $99

In context: peer comparison

Among 15 peers in this city , average services per provider: 86. This provider delivers 20× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,265
Patients
522
Total drug cost
$24,780
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 178 88 $2,971
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 175 83 $3,834
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 137 59 $3,338
Atorvastatin Calcium Generic 102 48 $677
Tramadol Hcl Generic 90 46 $638
Clopidogrel (Clopidogrel Bisulfate) Brand 77 23 $409
Pregabalin Generic 69 35 $1,531
Bumetanide Generic 62 11 $1,187
Morphine Sulfate Er (Morphine Sulfate) Brand 62 25 $2,311
Pantoprazole Sodium Generic 58 52 $500

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Trees's medical specialty?
Dr. Maria Trees practices Medical Physician Assistant in Harrisburg, PA.
Where does Dr. Maria Trees practice?
Dr. Maria Trees practices at 845 Sir Thomas Court, Harrisburg, PA 17109. Office phone: 7176515800.
What is Dr. Maria Trees's NPI?
Dr. Maria Trees's National Provider Identifier (NPI) is 1013015866, issued by NPPES.
Does Dr. Maria Trees accept Medicare assignment?
Yes. Dr. Maria Trees accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Trees commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.