What is Mary Merkel's specialty?

Mary Merkel (NPI 1649265406) is a Medicare-billing provider whose primary specialty is Physical Medicine and Rehabilitation in Phoenix, AZ.

Where does Mary Merkel practice?

Mary Merkel practices in Phoenix, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1649265406.

How much does Medicare pay Mary Merkel?

Mary Merkel (NPI 1649265406) received approximately $184K in total Medicare Part B payments, serving 635 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649265406

Mary MerkelM.D.

Physical Medicine and RehabilitationPhoenix, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,092

Unique beneficiaries

—

Total services

2,120

Distinct HCPCS

Medicare payment

$182K

Peer benchmark

Total Medicare services vs. 137 Physical Medicine and Rehabilitation providers in AZ — below median (cohort median 2,309).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

89.7

Quality

73.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.62%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mary Merkel'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). 99 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ASANTE OF MESA, LLC	232	1,643
NPI 1316992407	192	1,009
VADNERKAR, AMRUTA	174	2,617
Kianoush Cheybani Internal Medicine · Scottsdale, AZ	146	1,669
BANNER BAYWOOD MEDICAL CENTER	145	691
RADIANT HILLS HEALTH ASSOCIATES LLC	96	689
R M Arizona Holdings Inc Ambulance Service Provider · Mesa, AZ	94	611
Harish Nandipati Internal Medicine · Mesa, AZ	93	1,138
Edward Markman Internal Medicine · Flagstaff, AZ	82	759
NPI 1255512406	50	274
Rajnikanth Ravula Internal Medicine · Chandler, AZ	48	402
Melissa Gurley Interventional Radiology · Phoenix, AZ	47	194

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