What is Donald Griger's specialty?

Donald Griger (NPI 1205823515) is a Medicare-billing provider whose primary specialty is Rheumatology in Springfield, MA.

Where does Donald Griger practice?

Donald Griger practices in Springfield, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1205823515.

How much does Medicare pay Donald Griger?

Donald Griger (NPI 1205823515) received approximately $504K in total Medicare Part B payments, serving 423 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1205823515

Donald GrigerMD

PRACTICERHEUMATOLOGY ASSOCIATES PCSee all providers at this practice →

RheumatologySpringfield, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,109

Unique beneficiaries

—

Total services

15,097

Distinct HCPCS

Medicare payment

$214K

Peer benchmark

Total Medicare services vs. 204 Rheumatology providers in MA — top quintile (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

1,577

Beneficiaries

—

Total drug cost

$2.6M

Distinct drugs

Brand share

61.6%

Top prescribed drugs

Methotrexate Sodium626 claims

Prednisone135 claims

Alendronate Sodium130 claims

Hydroxychloroquine Sulfate124 claims

Etanercept122 claims

QUALITY · MIPS · 2024

Final MIPS score

85.0

Quality

68.9

Cost

85.3

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.42%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 220077

Hospital

REFERRAL NETWORK

Where Donald Griger'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). 3 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BAYSTATE MEDICAL CENTER INC	73	258
THE MERCY HOSPITAL INC	34	73
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	26	66

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
BAYSTATE MEDICAL CENTER INC	112	337
BAYSTATE MEDICAL CENTER INC	87	256
System Coordinated Services, Inc Clinical Laboratory · Springfield, MA	42	138
THE MERCY HOSPITAL INC	32	103
HOLYOKE MEDICAL CENTER, INC.	21	76
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	13	32
COOLEY DICKINSON HOSPITAL INC	11	32
BAYSTATE NOBLE HOSPITAL CORPORATION	11	35

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