Doctor profile · Federal record

Dr. John Carpenter, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology Physician · Lynnwood, WA

  • NPI 1225209471
  • Accepts Medicare
  • MIPS 80.0 / 100 · 2023
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
19000 33Rd Ave W, Ste 230
Lynnwood, WA 980364752
(425) 686-7138
fax (425) 745-4104
Mailing address
Po Box 34888
Seattle, WA 981241888

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
June 30, 2016
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (2)
Washington #MD 60139285 · Arizona #80848
Medicaid
WA #2008051

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225209471. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
9,691
Distinct HCPCS
5
Medicare allowed
$666,406
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 8,691 3,797 $68
88312 Special stained specimen slides to identify organisms including interpretation and report 506 434 $106
88313 Special stained specimen slides to examine tissue including interpretation and report 244 220 $73
88341 Special stained specimen slides to examine tissue, each additional procedure 164 42 $29
88342 Special stained specimen slides to examine tissue, initial procedure 86 67 $34

In context: peer comparison

Among 1 peers in Lynnwood Anatomic Pathology & Clinical Pathology Physician, average services per provider: 1,938. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Carpenter's medical specialty?
Dr. John Carpenter practices Anatomic Pathology & Clinical Pathology Physician in Lynnwood, WA.
Where does Dr. John Carpenter practice?
Dr. John Carpenter practices at 19000 33Rd Ave W, Lynnwood, WA 980364752. Office phone: 4256867138.
What is Dr. John Carpenter's NPI?
Dr. John Carpenter's National Provider Identifier (NPI) is 1225209471, issued by NPPES.
Does Dr. John Carpenter accept Medicare assignment?
Yes. Dr. John Carpenter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Carpenter commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to identify organisms including interpretation and report (HCPCS 88312); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313). Source: CMS Medicare Physician & Other Practitioners file.