Doctor profile · Federal record

Dr. Margaret Ryan, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Clinical Pathology Physician · Scottsdale, AZ

  • NPI 1851564447
  • Accepts Medicare
  • MIPS 78.6 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13400 E Shea Blvd
Scottsdale, AZ 852595452
(480) 301-8000

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
October 6, 2020
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (2)
Colorado #51949 · Arizona #48373

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851564447. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,133
Distinct HCPCS
10
Medicare allowed
$85,294
HCPCS Description Services Patients Avg allowed
88313 Special stained specimen slides to examine tissue including interpretation and report 772 236 $11
88350 Antibody evaluation, each additional single antibody stain procedure 598 71 $28
88313 Special stained specimen slides to examine tissue including interpretation and report 324 93 $12
88305 Pathology examination of tissue using a microscope, intermediate complexity 317 246 $36
88342 Special stained specimen slides to examine tissue, initial procedure 261 240 $33
88341 Special stained specimen slides to examine tissue, each additional procedure 200 184 $27
88305 Pathology examination of tissue using a microscope, intermediate complexity 187 161 $38
88350 Antibody evaluation, each additional single antibody stain procedure 136 18 $28
88346 Antibody evaluation, initial single antibody stain procedure 75 71 $35
88348 Electron microscopy for diagnosis 73 68 $74

In context: peer comparison

Among 6 peers in Scottsdale Anatomic Pathology & Clinical Pathology Physician, average services per provider: 430. This provider delivers 7.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Ryan's medical specialty?
Dr. Margaret Ryan practices Anatomic Pathology & Clinical Pathology Physician in Scottsdale, AZ.
Where does Dr. Margaret Ryan practice?
Dr. Margaret Ryan practices at 13400 E Shea Blvd, Scottsdale, AZ 852595452. Office phone: 4803018000.
What is Dr. Margaret Ryan's NPI?
Dr. Margaret Ryan's National Provider Identifier (NPI) is 1851564447, issued by NPPES.
Does Dr. Margaret Ryan accept Medicare assignment?
Yes. Dr. Margaret Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Ryan commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313); Antibody evaluation, each additional single antibody stain procedure (HCPCS 88350); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313). Source: CMS Medicare Physician & Other Practitioners file.