Doctor profile · Federal record

Dr. Heather Gridley, MD

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

  • NPI 1285019612
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 7 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13103 E Mansfield Ave
Spokane Valley, WA 992161642
(509) 892-2700
fax (509) 892-2740
Mailing address
Po Box 3405
Spokane, WA 992203405

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
December 9, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (7)
Washington #MD61512839 · Nevada #20996 · Arizona #63831 · Oregon #MD218306 · Montana #MEDPHYSCOMLIC131870 · Idaho #MC-2544 · Alaska #216589

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285019612. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,116
Distinct HCPCS
10
Medicare allowed
$104,269
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 710 428 $36
88341 Special stained specimen slides to examine tissue, each additional procedure 529 119 $27
85390 Coagulation function screening test with interpretation and report 450 256 $35
88313 Special stained specimen slides to examine tissue including interpretation and report 243 62 $12
88108 Cell examination of specimen, concentration technique 175 141 $22
88342 Special stained specimen slides to examine tissue, initial procedure 158 151 $34
88311 Preparation of tissue for examination by removing any calcium present 131 101 $12
88307 Pathology examination of tissue using a microscope, moderately high complexity 106 89 $80
88300 Pathology examination of tissue using a microscope, limited examination 104 98 $4
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers 102 93 $80

In context: peer comparison

Among 24 peers in Spokane Valley Anatomic Pathology & Clinical Pathology Physician, average services per provider: 152. This provider delivers 21× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Heather Gridley's medical specialty?
Dr. Heather Gridley practices Anatomic Pathology & Clinical Pathology Physician in Spokane Valley, WA.
Where does Dr. Heather Gridley practice?
Dr. Heather Gridley practices at 13103 E Mansfield Ave, Spokane Valley, WA 992161642. Office phone: 5098922700.
What is Dr. Heather Gridley's NPI?
Dr. Heather Gridley's National Provider Identifier (NPI) is 1285019612, issued by NPPES.
Does Dr. Heather Gridley accept Medicare assignment?
Yes. Dr. Heather Gridley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heather Gridley commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Coagulation function screening test with interpretation and report (HCPCS 85390). Source: CMS Medicare Physician & Other Practitioners file.