What is Mark Parker's specialty?

Mark Parker (NPI 1770583346) is a Medicare-billing provider whose primary specialty is Nephrology in Portland, ME.

Where does Mark Parker practice?

Mark Parker practices in Portland, ME, based on the location reported in the CMS Medicare provider datasets for NPI 1770583346.

How much does Medicare pay Mark Parker?

Mark Parker (NPI 1770583346) received approximately $7K in total Medicare Part B payments, serving 71 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1770583346

Mark ParkerM.D.

PRACTICEMAINEHEALTHSee all providers at this practice →

NephrologyPortland, MEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

Total Medicare services vs. 36 Nephrology providers in ME — bottom quintile (cohort median 458).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$497

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Chlorthalidone22 claims

Losartan Potassium17 claims

Lisinopril13 claims

QUALITY · MIPS · 2024

Final MIPS score

97.9

Quality

83.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.97%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mark Parker'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). 40 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Nordx Clinical Laboratory · Scarborough, ME	148	699
John Vella Nephrology · Portland, ME	84	749
WASSERMAN, JAMES	63	325
Patricia Cantlin Nephrology · Portland, ME	57	262
Ioan Cosma Nephrology · Portland, ME	55	197
Michael Quinn Diagnostic Radiology · Portland, ME	30	81
Spectra East, Inc. Clinical Laboratory · Rockleigh, NJ	24	124
Samip Vasaiwala Cardiology · Tampa, FL	23	61
FAHRENBACH, MARY	21	65
Mylan Cohen Cardiology · Scarborough, ME	21	59
Douglas Dressel Pathology · Portland, ME	21	54
David Langdon Diagnostic Radiology · Portland, ME	20	47

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