What is Merle Diamond's specialty?

Merle Diamond (NPI 1780676668) is a Medicare-billing provider whose primary specialty is Internal Medicine in Chicago, IL.

Where does Merle Diamond practice?

Merle Diamond practices in Chicago, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1780676668.

How much does Medicare pay Merle Diamond?

Merle Diamond (NPI 1780676668) received approximately $348K in total Medicare Part B payments, serving 438 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1780676668

Merle DiamondMD

PRACTICEDIAMOND HEADACHE CLINIC LTDSee all providers at this practice →

Internal MedicineChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,307

Unique beneficiaries

—

Total services

30,528

Distinct HCPCS

Medicare payment

$342K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — top quintile (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

5,179

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

Brand share

25.4%

Top prescribed drugs

Tizanidine Hcl238 claims

Diphenhydramine Hcl213 claims

Galcanezumab-Gnlm179 claims

Memantine Hcl174 claims

Doxepin Hcl164 claims

QUALITY · MIPS · 2024

Final MIPS score

21.4

Quality

0.0

Cost

71.3

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-6.43%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$51K

Payment records

140

By payment type

Consulting Fee$24K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$12K

Honoraria$11K

Food and Beverage$3K

Travel and Lodging$534

Top paying entities

Consulting Fee$24K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$12K

Honoraria$11K

Food and Beverage$3K

Travel and Lodging$534

REFERRAL NETWORK

Where Merle Diamond'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Andrew Beatty Psychologist, Clinical · Chicago, IL	60	878
Millennium Health, Llc Clinical Laboratory · San Diego, CA	55	191
Bradley Torphy Family Practice · Chicago, IL	42	220
Alexander Feoktistov Internal Medicine · Northfield, IL	42	293
CENTRAL DUPAGE HOSPITAL ASSOCIATION	22	60
Ramona Gupta Interventional Radiology · Chicago, IL	21	121
CHAWLA, KAMAL	18	146
ENDEAVOR HEALTH CLINICAL OPERATIONS	11	62

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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