Doctor profile · Federal record

Dr. Aaron Isaac, PA C

Medical Physician Assistant (CMS: Physician Assistant) · Federal Way, WA

  • NPI 1790973923
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
34515 9Th Ave S
Federal Way, WA 980036761
(253) 944-8100
fax (253) 944-7922
Mailing address
505 S 336Th St, Suite 600
Federal Way, WA 980036328

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
January 28, 2010
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Washington #PA10005219
Medicaid
WA #8945483

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790973923. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
266
Distinct HCPCS
6
Medicare allowed
$25,190
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 84 84 $144
99284 Emergency department visit with moderate level of medical decision making 83 82 $100
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 32 32 $7
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 27 27 $6
99285 Emergency department visit with high level of medical decision making 24 24 $142
99283 Emergency department visit with low level of medical decision making 16 16 $60

In context: peer comparison

Among 3 peers in this city , average services per provider: 46. This provider delivers 5.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
145
Patients
144
Total drug cost
$1,247
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 62 61 $188
Cephalexin Generic 36 36 $416
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 22 22 $249
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $86
Cefuroxime (Cefuroxime Axetil) Brand 12 12 $308

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Isaac's medical specialty?
Dr. Aaron Isaac practices Medical Physician Assistant in Federal Way, WA.
Where does Dr. Aaron Isaac practice?
Dr. Aaron Isaac practices at 34515 9Th Ave S, Federal Way, WA 980036761. Office phone: 2539448100.
What is Dr. Aaron Isaac's NPI?
Dr. Aaron Isaac's National Provider Identifier (NPI) is 1790973923, issued by NPPES.
Does Dr. Aaron Isaac accept Medicare assignment?
Yes. Dr. Aaron Isaac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Isaac commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.