What is Michael Grunwald's specialty?

Michael Grunwald (NPI 1356495949) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Charlotte, NC.

Where does Michael Grunwald practice?

Michael Grunwald practices in Charlotte, NC, based on the location reported in the CMS Medicare provider datasets for NPI 1356495949.

How much does Medicare pay Michael Grunwald?

Michael Grunwald (NPI 1356495949) received approximately $18K in total Medicare Part B payments, serving 70 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1356495949

Michael GrunwaldMD

PRACTICETHE CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITYSee all providers at this practice →

Hematology-OncologyCharlotte, NCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

202

Distinct HCPCS

Medicare payment

$15K

Peer benchmark

Total Medicare services vs. 329 Hematology-Oncology providers in NC — bottom quintile (cohort median 605).

PRESCRIBING · PART D · 2024

Total Rx claims

556

Beneficiaries

—

Total drug cost

$3.6M

Distinct drugs

Brand share

50.7%

Top prescribed drugs

Ruxolitinib Phosphate122 claims

Acyclovir79 claims

Hydroxyurea34 claims

Venetoclax28 claims

Posaconazole28 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

13.6

Cost

75.5

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$64K

Payment records

By payment type

Consulting Fee$55K

Travel and Lodging$4K

Honoraria$3K

Food and Beverage$2K

Top paying entities

Consulting Fee$55K

Travel and Lodging$4K

Honoraria$3K

Food and Beverage$2K

REFERRAL NETWORK

Where Michael Grunwald's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 1 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CAROLINAS MEDICAL CENTER	55	1,019

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CAROLINAS MEDICAL CENTER	42	737
Edward Lipford Pathology · Charlotte, NC	20	111
Jared Block Pathology · Charlotte, NC	15	56
LITTMANN, LASZLO	14	48
COGDILL, TAMMY	12	53

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events