What is Daniel Callahan's specialty?

Daniel Callahan (NPI 1598761223) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Alpharetta, GA.

Where does Daniel Callahan practice?

Daniel Callahan practices in Alpharetta, GA, based on the location reported in the CMS Medicare provider datasets for NPI 1598761223.

How much does Medicare pay Daniel Callahan?

Daniel Callahan (NPI 1598761223) received approximately $81K in total Medicare Part B payments, serving 627 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598761223

Daniel CallahanM.D.

Pulmonary DiseaseAlpharetta, GAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

950

Unique beneficiaries

—

Total services

1,125

Distinct HCPCS

Medicare payment

$80K

Peer benchmark

Total Medicare services vs. 305 Pulmonary Disease providers in GA — above median (cohort median 1,005).

PRESCRIBING · PART D · 2024

Total Rx claims

1,799

Beneficiaries

—

Total drug cost

$638K

Distinct drugs

Brand share

51.4%

Top prescribed drugs

Fluticasone/Umeclidin/Vilanter173 claims

Albuterol Sulfate144 claims

Prednisone130 claims

Montelukast Sodium126 claims

Azithromycin85 claims

QUALITY · MIPS · 2024

Final MIPS score

81.5

Quality

72.9

Cost

39.5

Improvement activities

40.0

Promoting interop.

88.0

Payment adjustment

0.27%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Daniel 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). 65 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTHSIDE HOSPITAL, INC.	262	808
NORTHSIDE HOSPITAL, INC.	221	985
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	184	586
SOLSTAS LAB PARTNERS GROUP LLC	60	278
SILVER, JEROME	48	169
Thomas Mcintosh Diagnostic Radiology · Atlanta, GA	47	177
RALLIS, DAVID	44	139
Absar Ahmed Diagnostic Radiology · Atlanta, GA	31	134
George Kallianos Diagnostic Radiology · Atlanta, GA	28	81
Finan Dermatopathology Laboratory, P.C. Clinical Laboratory · Atlanta, GA	27	49
Praveen Reddy Diagnostic Radiology · Atlanta, GA	26	92
STEIS, RONALD	26	189

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