PROVIDER PROFILE · NPI 1417031717

Cynthia PenaMD

PRACTICEMICHAEL A AMSTER, MD PROFESSIONAL CORPORATIONSee all providers at this practice →

Pain ManagementFairfield, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

801

Unique beneficiaries

—

Total services

1,764

Distinct HCPCS

Medicare payment

$107K

Peer benchmark

Total Medicare services vs. 293 Pain Management providers in CA — above median (cohort median 1,687).

PRESCRIBING · PART D · 2024

Total Rx claims

2,560

Beneficiaries

—

Total drug cost

$112K

Distinct drugs

Brand share

35.7%

Top prescribed drugs

Hydrocodone/Acetaminophen528 claims

Gabapentin253 claims

Oxycodone Hcl/Acetaminophen242 claims

Pregabalin232 claims

Lidocaine144 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$117

Payment records

By payment type

Food and Beverage$117

REFERRAL NETWORK

Where Cynthia Pena'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). 3 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Northbay Healthcare Group Ambulatory Surgical Center · Vacaville, CA	36	81
VISTA IMAGING SERVICES, INC	33	70
Susan Gootnick Diagnostic Radiology · Kentfield, CA	15	19

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · Sacramento, CA	85	185
NORTHBAY HEALTHCARE GROUP	44	126
Cynthia Tan Diagnostic Radiology · Maywood, IL	30	57
Northbay Healthcare Group Ambulatory Surgical Center · Vacaville, CA	29	39
VISTA IMAGING SERVICES, INC	28	33
James Bronk Diagnostic Radiology · Fairfield, CA	18	29
Susan Gootnick Diagnostic Radiology · Kentfield, CA	14	21
Sutter Valley Medical Foundation Clinical Laboratory · Sacramento, CA	13	71

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