PROVIDER PROFILE · NPI 1265488258

Walter NieriM.D.

Internal MedicinePhoenix, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$7K

Peer benchmark

Total Medicare services vs. 1,880 Internal Medicine providers in AZ — bottom quintile (cohort median 646).

PRESCRIBING · PART D · 2024

Total Rx claims

1,180

Beneficiaries

—

Total drug cost

$66K

Distinct drugs

Brand share

18.7%

Top prescribed drugs

Levothyroxine Sodium96 claims

Citalopram Hydrobromide81 claims

Donepezil Hcl79 claims

Atorvastatin Calcium76 claims

Quetiapine Fumarate69 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$36

Payment records

By payment type

Food and Beverage$36

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 031592

Hospice

CCN 031623

Hospice

REFERRAL NETWORK

Where Walter Nieri'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). 5 inbound referrers · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BANNER THUNDERBIRD MEDICAL CENTER	14	22
NGUYEN, LINH	13	25
R M Arizona Holdings Inc Ambulance Service Provider · Mesa, AZ	12	29
Kamran Farahani Podiatry · Phoenix, AZ	11	36
NIGHTINGALE NURSES INC.	11	21

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
HOSPICE OF ARIZONA, LC	137	637
Sonora Quest Laboratories Llc Clinical Laboratory · Phoenix, AZ	36	182
BANNER BOSWELL MEDICAL CENTER	14	55
Bakorp Llc Portable X-Ray Supplier · Tempe, AZ	13	40
Kamran Farahani Podiatry · Phoenix, AZ	12	44
NIGHTINGALE NURSES INC.	11	38

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