What is Ren Zhang's specialty?

Ren Zhang (NPI 1902910052) is a Medicare-billing provider whose primary specialty is Colorectal Surgery (Proctology) in Las Vegas, NV.

Where does Ren Zhang practice?

Ren Zhang practices in Las Vegas, NV, based on the location reported in the CMS Medicare provider datasets for NPI 1902910052.

How much does Medicare pay Ren Zhang?

Ren Zhang (NPI 1902910052) received approximately $98K in total Medicare Part B payments, serving 232 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902910052

Ren ZhangMD

PRACTICELYNN KOWALSKI MD LTDSee all providers at this practice →

Colorectal Surgery (Proctology)Las Vegas, NVI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

311

Unique beneficiaries

—

Total services

393

Distinct HCPCS

Medicare payment

$47K

Peer benchmark

Total Medicare services vs. 9 Colorectal Surgery (Proctology) providers in NV — above median (cohort median 382).

PRESCRIBING · PART D · 2024

Total Rx claims

141

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

65.2%

Top prescribed drugs

Oxycodone Hcl/Acetaminophen92 claims

Metronidazole24 claims

Neomycin Sulfate13 claims

Hydromorphone Hcl12 claims

QUALITY · MIPS · 2024

Final MIPS score

23.0

Quality

0.0

Cost

76.7

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-6.24%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$7K

Payment records

By payment type

Consulting Fee$6K

Travel and Lodging$698

Food and Beverage$243

Top paying entities

Consulting Fee$6K

Travel and Lodging$698

Food and Beverage$243

REFERRAL NETWORK

Where Ren Zhang'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Incorporated Clinical Laboratory · Las Vegas, NV	55	197
SUNRISE MOUNTAINVIEW HOSPITAL, INC.	31	74
Stephanie Wishnev Colorectal Surgery (Proctology) · Las Vegas, NV	17	53
Jonathan Strauss Pathology · Las Vegas, NV	15	45

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