What is Fernando Gerena Nieves's specialty?

Fernando Gerena Nieves (NPI 1548245939) is a Medicare-billing provider whose primary specialty is Interventional Pain Management in Catano, PR.

Where does Fernando Gerena Nieves practice?

Fernando Gerena Nieves practices in Catano, PR, based on the location reported in the CMS Medicare provider datasets for NPI 1548245939.

How much does Medicare pay Fernando Gerena Nieves?

Fernando Gerena Nieves (NPI 1548245939) received approximately $39K in total Medicare Part B payments, serving 88 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548245939

Fernando Gerena NievesM.D ,D.A.B.A ,F.ABPM

Interventional Pain ManagementCatano, PRI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

228

Unique beneficiaries

—

Total services

756

Distinct HCPCS

Medicare payment

$35K

Peer benchmark

Total Medicare services vs. 9 Interventional Pain Management providers in PR — near median (cohort median 331).

PRESCRIBING · PART D · 2024

Total Rx claims

2,469

Beneficiaries

—

Total drug cost

$40K

Distinct drugs

Brand share

5.0%

Top prescribed drugs

Tizanidine Hcl507 claims

Gabapentin357 claims

Tramadol Hcl263 claims

Etodolac253 claims

Clonazepam230 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Fernando Gerena Nieves'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). 2 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LABORATORIO CLINICO C L A INC	12	58
CENTRO MEDICO DEL TURABO, INC.	11	32

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