Doctor profile · Federal record

Dr. Erin Pettijohn, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Grand Rapids, MI

  • NPI 1003101429
  • Accepts Medicare
  • MIPS 88.3 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
250 Cherry St Se Ste 2200
Grand Rapids, MI 495034608
(616) 685-5600
Mailing address
5800 Foremost Dr Se Ste 300
Grand Rapids, MI 495467062

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
March 13, 2020
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Michigan #4301111782

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003101429. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
26,857
Distinct HCPCS
10
Medicare allowed
$281,159
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 18,000 12 $1
J1100 Injection, dexamethasone sodium phosphate, 1 mg 942 30 $0
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 871 171 $8
36415 Insertion of needle into vein for collection of blood sample 867 172 $8
80053 Blood test, comprehensive group of blood chemicals 648 169 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 478 229 $121
82784 Gammaglobulin (immune system protein) measurement 436 56 $9
88185 Flow cytometry technique for dna or cell analysis, each additional marker 426 13 $22
J2469 Injection, palonosetron hcl, 25 mcg 410 17 $1
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 311 24 $67

In context: peer comparison

Among 8 peers in Grand Rapids Hematology & Oncology Physician, average services per provider: 718. This provider delivers 37× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,275
Transactions
96
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 17 $249.14
Celgene Corporation 19 $224.27
Abbvie INC. 9 $197.66
Pfizer INC. 11 $179.43
AstraZeneca Pharmaceuticals Lp 6 $134.43
Incyte Corporation 7 $134.37
Takeda Pharmaceuticals U.S.A., INC. 4 $129.14
Daiichi Sankyo INC. 4 $96.74
Janssen Biotech, INC. 4 $94.52
GlaxoSmithKline, LLC. 4 $80.83
Genzyme Corporation 3 $77.73
Ipsen Biopharmaceuticals, INC 2 $56.48
Genmab U.S., INC. 2 $45.80
Tempus Ai, INC 2 $43.30
Genentech USA, INC. 2 $42.99

By nature of payment

Food and Beverage
$2,275

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,321
Patients
523
Total drug cost
$11,066,105
Drug Type Claims Patients Total cost
Acyclovir Generic 715 148 $12,889
Revlimid (Lenalidomide) Brand 323 42 $5,207,472
Hydroxyurea Generic 218 44 $5,577
Dexamethasone Generic 137 31 $2,895
Venclexta (Venetoclax) Brand 129 31 $1,291,661
Imbruvica (Ibrutinib) Brand 128 16 $1,743,623
Allopurinol Generic 112 48 $1,036
Prednisone Generic 87 35 $436
Prochlorperazine Maleate Generic 82 55 $1,208
Jakafi (Ruxolitinib Phosphate) Brand 76 0 $1,265,033

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Erin Pettijohn's medical specialty?
Dr. Erin Pettijohn practices Hematology & Oncology Physician in Grand Rapids, MI.
Where does Dr. Erin Pettijohn practice?
Dr. Erin Pettijohn practices at 250 Cherry St Se Ste 2200, Grand Rapids, MI 495034608. Office phone: 6166855600.
What is Dr. Erin Pettijohn's NPI?
Dr. Erin Pettijohn's National Provider Identifier (NPI) is 1003101429, issued by NPPES.
Does Dr. Erin Pettijohn accept Medicare assignment?
Yes. Dr. Erin Pettijohn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erin Pettijohn commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.