What is Nick Karahalios's specialty?

Nick Karahalios (NPI 1255442505) is a Medicare-billing provider whose primary specialty is Internal Medicine in San Clemente, CA.

Where does Nick Karahalios practice?

Nick Karahalios practices in San Clemente, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1255442505.

How much does Medicare pay Nick Karahalios?

Nick Karahalios (NPI 1255442505) received approximately $108K in total Medicare Part B payments, serving 104 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1255442505

Nick KarahaliosMD

PRACTICESAN CLEMENTE INTERNAL MEDICAL GROUP INC.See all providers at this practice →

Internal MedicineSan Clemente, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

536

Unique beneficiaries

—

Total services

1,427

Distinct HCPCS

Medicare payment

$97K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

1,418

Beneficiaries

—

Total drug cost

$116K

Distinct drugs

Brand share

19.1%

Top prescribed drugs

Rosuvastatin Calcium78 claims

Tamsulosin Hcl76 claims

Zolpidem Tartrate75 claims

Levothyroxine Sodium72 claims

Amlodipine Besylate66 claims

QUALITY · MIPS · 2024

Final MIPS score

90.4

Quality

98.1

Cost

70.6

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.65%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$53

Payment records

By payment type

Food and Beverage$53

Top paying entities

Food and Beverage$53

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Home health agency

Hospice

Hospital

Hospital

Nursing home

REFERRAL NETWORK

Where Nick Karahalios'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). 3 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
WEST COAST CLINICAL LABORATORIES, INC.	34	226
SADDLEBACK MEMORIAL MEDICAL CENTER	27	179
Steven Cullen Internal Medicine · San Clemente, CA	25	109

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
WEST COAST CLINICAL LABORATORIES, INC.	57	364
SADDLEBACK MEMORIAL MEDICAL CENTER	32	251
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	31	165
MEMORIALCARE IMAGING CENTER AT SAN CLEMENTE, LLC	26	97
Steven Cullen Internal Medicine · San Clemente, CA	24	80
Daniel Lamont Cardiology · Laguna Hills, CA	19	154
Gus Gialamas Orthopedic Surgery · San Clemente, CA	19	123

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