What is Rob Parrish's specialty?

Rob Parrish (NPI 1194743773) is a Medicare-billing provider whose primary specialty is Neurosurgery in Houston, TX.

Where does Rob Parrish practice?

Rob Parrish practices in Houston, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1194743773.

How much does Medicare pay Rob Parrish?

Rob Parrish (NPI 1194743773) received approximately $74K in total Medicare Part B payments, serving 243 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1194743773

Rob ParrishM.D.

NeurosurgeryHouston, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

985

Unique beneficiaries

—

Total services

1,795

Distinct HCPCS

Medicare payment

$65K

Peer benchmark

Total Medicare services vs. 406 Neurosurgery providers in TX — top quintile (cohort median 373).

PRESCRIBING · PART D · 2024

Total Rx claims

704

Beneficiaries

—

Total drug cost

$10K

Distinct drugs

Brand share

7.5%

Top prescribed drugs

Gabapentin94 claims

Azithromycin57 claims

Cephalexin42 claims

Levothyroxine Sodium41 claims

Alendronate Sodium39 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.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Hospital

Hospital

Hospital

Nursing home

REFERRAL NETWORK

Where Rob Parrish'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). 4 inbound referrers · 16 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jonathan Levine Diagnostic Radiology · Houston, TX	23	68
Jerry Polasek Diagnostic Radiology · Houston, TX	18	79
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	16	105
Roger Selouan Diagnostic Radiology · Houston, TX	14	36

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
THE METHODIST HOSPITAL	114	655
John Surratt Diagnostic Radiology · Bellaire, TX	30	96
Roger Selouan Diagnostic Radiology · Houston, TX	30	101
Majdi Radaideh Diagnostic Radiology · Houston, TX	27	73
SANDLIN, MARLIN	27	104
Gopi Shah Cardiology · Houston, TX	26	131
NPI 1316937105	22	80
KING, DAVID	21	79
Hani Haykal Diagnostic Radiology · Houston, TX	21	69
Sanjay Singh Diagnostic Radiology · Houston, TX	17	60
Jonathan Levine Diagnostic Radiology · Houston, TX	16	41
Steve Fung Diagnostic Radiology · Houston, TX	14	47

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