What is Ann Mercer's specialty?

Ann Mercer (NPI 1811913502) is a Medicare-billing provider whose primary specialty is Internal Medicine in Las Cruces, NM.

Where does Ann Mercer practice?

Ann Mercer practices in Las Cruces, NM, based on the location reported in the CMS Medicare provider datasets for NPI 1811913502.

How much does Medicare pay Ann Mercer?

Ann Mercer (NPI 1811913502) received approximately $174K in total Medicare Part B payments, serving 453 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1811913502

Ann MercerM.D.

Internal MedicineLas Cruces, NMI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,077

Unique beneficiaries

—

Total services

2,513

Distinct HCPCS

Medicare payment

$159K

Peer benchmark

Total Medicare services vs. 451 Internal Medicine providers in NM — top quintile (cohort median 364).

PRESCRIBING · PART D · 2024

Total Rx claims

4,945

Beneficiaries

—

Total drug cost

$260K

Distinct drugs

105

Brand share

17.6%

Top prescribed drugs

Losartan Potassium301 claims

Levothyroxine Sodium289 claims

Lisinopril188 claims

Amlodipine Besylate184 claims

Gabapentin153 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where Ann Mercer'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). 54 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
American Medical Response Ambulance Service, Inc. Ambulance Service Provider · Las Cruces, NM	101	594
LAS CRUCES MEDICAL CENTER LLC	85	378
Delphia Clarke Diagnostic Radiology · Eden Prairie, MN	45	103
Jose Rivera Guerrero Internal Medicine · Crest Hill, IL	35	61
Sangeeth Pai Internal Medicine · Las Cruces, NM	29	79
Roderick Woods Cardiology · Belen, NM	29	64
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	29	85
Craig Cannon Cardiology · Las Cruces, NM	27	120
Danielle Fitzsimmons-Pattison Family Practice · Worcester, MA	25	46
TRICORE REFERENCE LABORATORIES	24	83
Laboratory Corporation Of America Clinical Laboratory · Dallas, TX	23	38
Gregory Kenyherz Diagnostic Radiology · Edina, MN	23	139

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