Doctor profile · Federal record

Dr. Michael Grunwald, MD

Hematology (Internal Medicine) Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Hematology & Oncology Physician · Medical Oncology Physician · Charlotte, NC

  • NPI 1356495949
  • Accepts Medicare
  • MIPS 99.2 / 100 · 2023
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
1021 Morehead Medical Dr, Ste A
Charlotte, NC 282042990
(980) 442-2000
Additional location
1550 Faulk St
Monroe, NC 281125086
(980) 442-0430
Additional location
2610 Aberdeen Blvd
Gastonia, NC 280540637
(980) 442-4500
Show 2 more locations
Additional location
447 McAlister RD, Ste 1600
Lincolnton, NC 280924114
(980) 212-5100
Additional location
4525 Cameron Valley Pkwy, Ste 3500
Charlotte, NC 282114369
(704) 302-8300
Mailing address
Po Box 19305
Charlotte, NC 282199305

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 15, 2024
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
North Carolina #2013-01378

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356495949. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
153
Distinct HCPCS
3
Medicare allowed
$15,843
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 62 20 $133
99214 Established patient office or other outpatient visit, 30-39 minutes 58 33 $95
99213 Established patient office or other outpatient visit, 20-29 minutes 33 22 $64

In context: peer comparison

Among 16 peers in Charlotte Hematology (Internal Medicine) Physician, average services per provider: 94. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$45,229
Transactions
55
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Incyte Corporation 10 $11,606.01
Sanofi-Aventis U.S. LLC 7 $10,045.88
Daiichi Sankyo INC. 13 $8,664.72
Genzyme Corporation 1 $5,401.50
Sobi, INC 2 $3,895.64
Blueprint Medicines Corporation 1 $2,016.00
National Marrow Donor Program 3 $1,201.00
Merck Sharp & Dohme LLC 9 $1,158.74
Amgen INC. 2 $746.12
Pfizer INC. 4 $288.26
Neuronetics, INC. 1 $106.33
Novartis Pharmaceuticals Corporation 1 $49.20
Kite Pharma, INC. 1 $49.13

By nature of payment

Consulting Fee
$36,293
Travel and Lodging
$3,995
Food and Beverage
$2,925
Honoraria
$2,016

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
449
Patients
14
Total drug cost
$2,923,537
Drug Type Claims Patients Total cost
Jakafi (Ruxolitinib Phosphate) Brand 103 0 $1,927,615
Acyclovir Generic 68 14 $1,190
Diphenhydramine Hcl Generic 51 0 $12,111
Potassium Chloride-0.9% Nacl (Potassium Chloride in 0.9%Nacl) Brand 51 0 $1,250
Hydroxyurea Generic 22 0 $424
Cresemba (Isavuconazonium Sulfate) Brand 19 0 $113,499
Potassium Chloride Generic 19 0 $664
Vonjo (Pacritinib Citrate) Brand 17 0 $421,386
Ondansetron Hcl Generic 16 0 $398
Xarelto (Rivaroxaban) Brand 16 0 $7,045

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Grunwald's medical specialty?
Dr. Michael Grunwald practices Hematology (Internal Medicine) Physician in Charlotte, NC.
Where does Dr. Michael Grunwald practice?
Dr. Michael Grunwald practices at 1021 Morehead Medical Dr, Charlotte, NC 282042990. Office phone: 9804422000.
What is Dr. Michael Grunwald's NPI?
Dr. Michael Grunwald's National Provider Identifier (NPI) is 1356495949, issued by NPPES.
Does Dr. Michael Grunwald accept Medicare assignment?
Yes. Dr. Michael Grunwald accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Grunwald commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.