What is Mariel Muriel Pastrana's specialty?

Mariel Muriel Pastrana (NPI 1538488580) is a Medicare-billing provider whose primary specialty is Internal Medicine in Walnut Creek, CA.

Where does Mariel Muriel Pastrana practice?

Mariel Muriel Pastrana practices in Walnut Creek, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1538488580.

How much does Medicare pay Mariel Muriel Pastrana?

Mariel Muriel Pastrana (NPI 1538488580) received approximately $30K in total Medicare Part B payments, serving 189 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1538488580

Mariel Muriel PastranaMD

PRACTICEJERRAL S SEIBERT M D INCSee all providers at this practice →

Internal MedicineWalnut Creek, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

285

Unique beneficiaries

—

Total services

409

Distinct HCPCS

Medicare payment

$29K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — below median (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$181

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Pantoprazole Sodium13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mariel Muriel Pastrana'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). 64 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jonathan Posin Diagnostic Radiology · Walnut Creek, CA	86	276
Viktoriya Sharp Internal Medicine · Walnut Creek, CA	80	315
Angelo Crudale Diagnostic Radiology · Walnut Creek, CA	66	178
Kimberly Blumberg Diagnostic Radiology · Walnut Creek, CA	55	202
Jennifer Decolongon Family Practice · Sacramento, CA	48	138
Sunil Gandhi Diagnostic Radiology · Walnut Creek, CA	46	118
Amy Lai Diagnostic Radiology · New York, NY	45	105
Michael Brown Cardiology · Walnut Creek, CA	39	131
SCHICK, ROBERT	37	104
Daniel Kim Diagnostic Radiology · Walnut Creek, CA	35	106
Joshua Gitter Internal Medicine · Emeryville, CA	34	172
Eric Chen Interventional Radiology · Los Angeles, CA	34	85

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