What is Mark Calderwood's specialty?

Mark Calderwood (NPI 1447353024) is a Medicare-billing provider whose primary specialty is Ophthalmology in Hamilton, MT.

Where does Mark Calderwood practice?

Mark Calderwood practices in Hamilton, MT, based on the location reported in the CMS Medicare provider datasets for NPI 1447353024.

How much does Medicare pay Mark Calderwood?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Mark Calderwood (NPI 1447353024) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1447353024

Mark Calderwood

OphthalmologyHamilton, MTI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

475

Beneficiaries

—

Total drug cost

$67K

Distinct drugs

Brand share

31.8%

Top prescribed drugs

Latanoprost221 claims

Timolol Maleate60 claims

Cyclosporine48 claims

Neomycin/Polymyxin B/Dexametha45 claims

Brimonidine Tartrate18 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Mark Calderwood'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). 16 inbound referrers · 28 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Lance Pysher Diagnostic Radiology · Scranton, PA	95	147
PROVIDENCE HEALTH & SERVICES MT	45	80
COMMUNITY MEDICAL CENTER INC	41	79
MORELAND, JOHN	30	60
RAVALLI FAMILY MEDICINE, LLC	27	40
MARCUS DALY MEMORIAL HOSPITAL CORPORATION	27	54
RCHP BILLINGS - MISSOULA LLC	27	55
Allen Jones Family Practice · Hamilton, MT	21	52
ASHCRAFT, WALKER	20	41
Chad Dickemore Podiatry · Hamilton, MT	20	25
KRUEGER, JENNIFER	17	33
Lawrence Brouwer Family Practice · Hamilton, MT	16	27

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MARCUS DALY MEMORIAL HOSPITAL CORPORATION	258	784
MARCUS DALY MEMORIAL HOSPITAL CORPORATION	98	139
Lance Pysher Diagnostic Radiology · Scranton, PA	88	136
PATHOLOGY ASSOCIATES MEDICAL LABORATORIES LLC	42	58
PROVIDENCE HEALTH & SERVICES MT	39	71
Robert Smith Family Practice · Hamilton, MT	36	77
COMMUNITY MEDICAL CENTER INC	34	62
STEWART, RANDY	30	65
MARCUS DALY MEMORIAL HOSPITAL CORPORATION	29	48
RAVALLI FAMILY MEDICINE, LLC	26	35
Chad Dickemore Podiatry · Hamilton, MT	25	41
ASHCRAFT, WALKER	23	41

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