Doctor profile · Federal record

Dr. David Terwilliger, PA

Physician Assistant · Portland, ME

  • NPI 1952343162
  • Accepts Medicare
  • MIPS 93.1 / 100 · 2023
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
144 State St
Portland, ME 041013776
(207) 879-3000

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 26, 2013
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Maine #PA-581

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952343162. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
68
Distinct HCPCS
2
Medicare allowed
$5,618
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 35 25 $66
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 33 21 $100

In context: peer comparison

Among 54 peers in Portland Physician Assistant, average services per provider: 51. This provider delivers 1.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Terwilliger's medical specialty?
Dr. David Terwilliger practices Physician Assistant in Portland, ME.
Where does Dr. David Terwilliger practice?
Dr. David Terwilliger practices at 144 State St, Portland, ME 041013776. Office phone: 2078793000.
What is Dr. David Terwilliger's NPI?
Dr. David Terwilliger's National Provider Identifier (NPI) is 1952343162, issued by NPPES.
Does Dr. David Terwilliger accept Medicare assignment?
Yes. Dr. David Terwilliger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Terwilliger commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.