What is Mark Key's specialty?

Mark Key (NPI 1861684441) is a Medicare-billing provider whose primary specialty is Family Practice in Lamesa, TX.

Where does Mark Key practice?

Mark Key practices in Lamesa, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1861684441.

How much does Medicare pay Mark Key?

Mark Key (NPI 1861684441) received approximately $503 in total Medicare Part B payments, serving 11 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861684441

Mark KeyM.D.

PRACTICEGRIENGSAK CHOWPAKNAM MD PASee all providers at this practice →

Family PracticeLamesa, TXI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

11,408

Beneficiaries

—

Total drug cost

$986K

Distinct drugs

167

Brand share

22.7%

Top prescribed drugs

Levothyroxine Sodium563 claims

Metformin Hcl346 claims

Lisinopril321 claims

Amlodipine Besylate317 claims

Pantoprazole Sodium298 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$157

Payment records

By payment type

Food and Beverage$157

Top paying entities

Food and Beverage$157

REFERRAL NETWORK

Where Mark Key'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
DAWSON COUNTY HOSPITAL DISTRICT	435	3,602
Anthony Gipson Family Practice · Lamesa, TX	99	568
DAWSON COUNTY HOSPITAL DISTRICT	66	409
Roberto Ruiz Internal Medicine · Odessa, TX	49	281
WAUGH, KIMBERLY	46	161
Stanley Cook Diagnostic Radiology · Amarillo, TX	45	146
Dawson County Hospital District Ambulance Service Provider · Lamesa, TX	42	130
MEHTA, RAHUL	38	114
Lawrence Zarian Diagnostic Radiology · Amarillo, TX	37	124
Michael Hall Diagnostic Radiology · Amarillo, TX	37	106
Curtis Carothers Cardiology · Lubbock, TX	34	85
Tully Currie Diagnostic Radiology · Amarillo, TX	32	93

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