What is John Karlin's specialty?

John Karlin (NPI 1225436876) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Klamath Falls, OR.

Where does John Karlin practice?

John Karlin practices in Klamath Falls, OR, based on the location reported in the CMS Medicare provider datasets for NPI 1225436876.

How much does Medicare pay John Karlin?

John Karlin (NPI 1225436876) received approximately $10K in total Medicare Part B payments, serving 101 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1225436876

John KarlinARNP

PRACTICESUSAN F BARNES MD INCSee all providers at this practice →

Nurse PractitionerKlamath Falls, ORI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

104

Unique beneficiaries

—

Total services

107

Distinct HCPCS

Medicare payment

$7K

Peer benchmark

Total Medicare services vs. 1,940 Nurse Practitioner providers in OR — above median (cohort median 205).

PRESCRIBING · PART D · 2024

Total Rx claims

169

Beneficiaries

—

Total drug cost

$1K

Distinct drugs

Brand share

20.7%

Top prescribed drugs

Prednisone37 claims

Amoxicillin/Potassium Clav35 claims

Cephalexin30 claims

Azithromycin23 claims

Doxycycline Monohydrate20 claims

QUALITY · MIPS · 2024

Final MIPS score

70.0

Quality

52.1

Cost

48.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

-0.59%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where John Karlin'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). 1 inbound referrers · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HAMLIN, JOHN	17	37

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
WEATHERFORD HOSPITAL AUTHORITY	97	297
Ernest Mckenzie Diagnostic Radiology · Clinton, OK	15	32
Brian Bluth Family Practice · Weatherford, OK	11	30
Jonathon Long Family Practice · Weatherford, OK	11	30

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