PROVIDER PROFILE · NPI 1588601280

Jack GreinerD.O.

OphthalmologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,220

Unique beneficiaries

—

Total services

2,402

Distinct HCPCS

Medicare payment

$151K

Peer benchmark

Total Medicare services vs. 558 Ophthalmology providers in MA — above median (cohort median 1,976).

PRESCRIBING · PART D · 2024

Total Rx claims

872

Beneficiaries

—

Total drug cost

$106K

Distinct drugs

Brand share

19.6%

Top prescribed drugs

Latanoprost272 claims

Prednisolone Acetate81 claims

Ofloxacin76 claims

Brimonidine Tartrate75 claims

Bimatoprost73 claims

QUALITY · MIPS · 2024

Final MIPS score

74.1

Quality

48.1

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

-0.11%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$278

Payment records

By payment type

Food and Beverage$278

REFERRAL NETWORK

Where Jack Greiner'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE GENERAL HOSPITAL CORPORATION	24	61
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	24	44
Kenneth Kenyon Ophthalmology · North Dartmouth, MA	22	79
Wayne Fowler Optometry · Lowell, MA	11	13

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