Doctor profile · Federal record

Dr. Ian Hagemann, MD

Anatomic Pathology Physician (CMS: Pathology) · Saint Louis, MO

  • NPI 1275795569
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Div PA Anatomic and Molecular Path
Saint Louis, MO 631101003
(314) 362-5641
fax (314) 362-0369
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207ZP0101X — NUCC code
State license (1)
Missouri #2011001458
Medicaid
MO #200005773

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275795569. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
945
Distinct HCPCS
8
Medicare allowed
$46,133
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 239 163 $36
88341 Special stained specimen slides to examine tissue, each additional procedure 192 47 $28
88307 Pathology examination of tissue using a microscope, moderately high complexity 172 86 $80
88360 Microscopic genetic analysis of tumor, manual 140 58 $41
88342 Special stained specimen slides to examine tissue, initial procedure 94 59 $34
88309 Pathology examination of tissue using a microscope, high complexity 62 39 $141
88363 Examination of archival tissue for genetic analysis 25 25 $19
76098 X-ray of surgical specimen 21 18 $15

In context: peer comparison

Among 7 peers in Saint Louis Anatomic Pathology Physician, average services per provider: 118. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,865
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
AstraZeneca Uk Limited 1 $7,260.00
AstraZeneca Pharmaceuticals Lp 1 $605.00

By nature of payment

Consulting Fee
$7,865

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ian Hagemann's medical specialty?
Dr. Ian Hagemann practices Anatomic Pathology Physician in Saint Louis, MO.
Where does Dr. Ian Hagemann practice?
Dr. Ian Hagemann practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143625641.
What is Dr. Ian Hagemann's NPI?
Dr. Ian Hagemann's National Provider Identifier (NPI) is 1275795569, issued by NPPES.
Does Dr. Ian Hagemann accept Medicare assignment?
Yes. Dr. Ian Hagemann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ian Hagemann 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); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.