What is Mark Byrne's specialty?

Mark Byrne (NPI 1962411272) is a Medicare-billing provider whose primary specialty is Cardiology in Watsonville, CA.

Where does Mark Byrne practice?

Mark Byrne practices in Watsonville, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1962411272.

How much does Medicare pay Mark Byrne?

Mark Byrne (NPI 1962411272) received approximately $814K in total Medicare Part B payments, serving 471 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1962411272

Mark ByrneM.D.

PRACTICEBRENNAN MEDICAL GROUPSee all providers at this practice →

CardiologyWatsonville, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,413

Unique beneficiaries

—

Total services

11,712

Distinct HCPCS

Medicare payment

$801K

Peer benchmark

Total Medicare services vs. 1,869 Cardiology providers in CA — top quintile (cohort median 2,371).

PRESCRIBING · PART D · 2024

Total Rx claims

8,250

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

115

Brand share

20.0%

Top prescribed drugs

Carvedilol541 claims

Losartan Potassium512 claims

Atorvastatin Calcium477 claims

Rosuvastatin Calcium358 claims

Irbesartan324 claims

QUALITY · MIPS · 2024

Final MIPS score

89.3

Quality

71.4

Cost

77.1

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.60%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where Mark Byrne'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). 29 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Francis Bayaca Family Practice · Watsonville, CA	329	1,495
NPI 1225047558	310	1,878
Annette Rasi Diagnostic Radiology · Salinas, CA	73	217
Jennifer Lin Diagnostic Radiology · Santa Cruz, CA	49	145
Nicole Surdock Podiatry · Watsonville, CA	43	158
Roy Martinez Diagnostic Radiology · Santa Cruz, CA	41	99
Francisco Ravago Internal Medicine · Freedom, CA	38	120
Peter Markel Emergency Medicine · Watsonville, CA	37	162
DIGNITY HEALTH	34	139
SOUTH, DAVID	31	71
SCHMETZ, MARK	31	80
Camille Washowich Nurse Practitioner · Santa Cruz, CA	28	180

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