Doctor profile · Federal record

Dr. David Margelli, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Seattle, WA

  • NPI 1003990714
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
801 Broadway Ste 701
Seattle, WA 981224313
(206) 386-2020
fax (206) 215-3869
Additional location
550 17Th Ave Ste A20
Seattle, WA 981225799
(206) 386-4744
fax (206) 215-1135
Additional location
751 Ne Blakely Dr Ste 4020
Issaquah, WA 980296201
(425) 313-7124
fax (425) 313-7057
Show 1 more location
Additional location
801 Broadway Ste 300
Seattle, WA 981224334
(206) 215-3500
fax (206) 215-6499
Mailing address
Po Box 84026
Seattle, WA 981248426

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
March 1, 2021
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Washington #PA10004626

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003990714. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
474
Distinct HCPCS
7
Medicare allowed
$45,069
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 199 184 $84
99442 Telephone medical discussion with physician, 11-20 minutes 79 72 $84
99204 New patient office or other outpatient visit, 45-59 minutes 66 66 $154
99214 Established patient office or other outpatient visit, 30-39 minutes 45 40 $119
99212 Established patient office or other outpatient visit, 10-19 minutes 35 34 $54
99203 New patient office or other outpatient visit, 30-44 minutes 28 28 $102
99202 New patient office or other outpatient visit, 15-29 minutes 22 22 $68

In context: peer comparison

Among 31 peers in this city , average services per provider: 88. This provider delivers 5.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
226
Patients
11
Total drug cost
$22,797
Drug Type Claims Patients Total cost
Gabapentin Generic 46 11 $970
Modafinil Generic 43 0 $4,810
Ropinirole Hcl Generic 32 0 $442
Zolpidem Tartrate Generic 23 0 $186
Clonazepam Generic 22 0 $102
Dextroamphetamine Sulfate Generic 13 0 $922
Vyvanse (Lisdexamfetamine Dimesylate) Brand 13 0 $10,195
Fluticasone Propionate Generic 12 0 $104
Alprazolam Generic 11 0 $88
Belsomra (Suvorexant) Brand 11 0 $4,976

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Margelli's medical specialty?
Dr. David Margelli practices Medical Physician Assistant in Seattle, WA.
Where does Dr. David Margelli practice?
Dr. David Margelli practices at 801 Broadway Ste 701, Seattle, WA 981224313. Office phone: 2063862020.
What is Dr. David Margelli's NPI?
Dr. David Margelli's National Provider Identifier (NPI) is 1003990714, issued by NPPES.
Does Dr. David Margelli accept Medicare assignment?
Yes. Dr. David Margelli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Margelli commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99442); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.