PROVIDER PROFILE · NPI 1881654804

Eric SingmanMD PHD

OphthalmologyBaltimore, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

254

Unique beneficiaries

—

Total services

269

Distinct HCPCS

Medicare payment

$15K

Peer benchmark

Total Medicare services vs. 447 Ophthalmology providers in MD — bottom quintile (cohort median 2,862).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Acetazolamide15 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$450

Payment records

By payment type

Consulting Fee$450

REFERRAL NETWORK

Where Eric Singman'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). 18 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CASTORO, CHARLES	43	80
Pradeep Ramulu Ophthalmology · Baltimore, MD	42	95
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	40	88
John Campbell Ophthalmology · Portland, OR	34	76
Guadalupe Villarreal Ophthalmology · Falls Church, VA	34	42
MERCY MEDICAL CENTER INC	31	88
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	27	84
THE UNION MEMORIAL HOSPITAL	23	58
Jessica Chang Ophthalmology · Los Angeles, CA	19	37
Ian Han Ophthalmology · Iowa City, IA	18	53
RICHTER, RONALD	16	33
Roomasa Channa Ophthalmology · Madison, WI	15	21

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