What is Michael Callahan's specialty?

Michael Callahan (NPI 1902892151) is a Medicare-billing provider whose primary specialty is Ophthalmology in Birmingham, AL.

Where does Michael Callahan practice?

Michael Callahan practices in Birmingham, AL, based on the location reported in the CMS Medicare provider datasets for NPI 1902892151.

How much does Medicare pay Michael Callahan?

Michael Callahan (NPI 1902892151) received approximately $167K in total Medicare Part B payments, serving 550 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902892151

Michael CallahanMD

OphthalmologyBirmingham, ALI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,147

Unique beneficiaries

—

Total services

1,261

Distinct HCPCS

Medicare payment

$143K

Peer benchmark

Total Medicare services vs. 191 Ophthalmology providers in AL — above median (cohort median 1,895).

PRESCRIBING · PART D · 2024

Total Rx claims

2,035

Beneficiaries

—

Total drug cost

$92K

Distinct drugs

Brand share

41.1%

Top prescribed drugs

Neomycin/Polymyxin B/Dexametha375 claims

Prednisolone Acetate236 claims

Cephalexin233 claims

Ketorolac Tromethamine191 claims

Hydrocodone/Acetaminophen183 claims

QUALITY · MIPS · 2024

Final MIPS score

84.7

Quality

79.8

Cost

70.9

Improvement activities

40.0

Promoting interop.

98.0

Payment adjustment

0.41%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$196

Payment records

By payment type

Food and Beverage$196

Top paying entities

Food and Beverage$196

REFERRAL NETWORK

Where Michael Callahan'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). 15 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UNIVERSITY OF ALABAMA AT BIRMINGHAM	92	315
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	82	168
Tim Thompson Optometry · Birmingham, AL	60	91
GASTON, ANNIE	54	179
William Baker Anesthesiology · Birmingham, AL	36	116
SOLSTAS LAB PARTNERS GROUP LLC	22	62
SHAW, DOUGLAS	22	77
Stacy Wade Anesthesiology · Birmingham, AL	20	57
Elizabeth Hayes Certified Registered Nurse Anesthetist (CRNA) · Dallas, TX	18	62
AFFINITY HOSPITAL LLC	17	54
SORNSIN, KAROL	16	46
John Parker Ophthalmology · Vestavia, AL	15	26

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