What is Ann Mass's specialty?

Ann Mass (NPI 1598769358) is a Medicare-billing provider whose primary specialty is Internal Medicine in Aspen, CO.

Where does Ann Mass practice?

Ann Mass practices in Aspen, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1598769358.

How much does Medicare pay Ann Mass?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Ann Mass (NPI 1598769358) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1598769358

Ann Mass

Internal MedicineAspen, COI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

2,197

Beneficiaries

—

Total drug cost

$194K

Distinct drugs

Brand share

20.2%

Top prescribed drugs

Atorvastatin Calcium218 claims

Rosuvastatin Calcium142 claims

Losartan Potassium105 claims

Levothyroxine Sodium104 claims

Zolpidem Tartrate74 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.

REFERRAL NETWORK

Where Ann Mass'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). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Matthew Ehrlich Ophthalmology · Glenwood Springs, CO	21	72
Clare Foss Dermatology · Richmond, VA	19	49
Scott Gallagher Emergency Medicine · Aspen, CO	18	53
NPI 1487747838	18	53
Andrew Fisher Diagnostic Radiology · Englewood, CO	17	73
Pitkin County Ambulance Service Provider · Aspen, CO	16	38
Lora Barke Diagnostic Radiology · Englewood, CO	15	28
METROPOLITAN PATHOLOGISTS PC	14	39
UNIVERSITY OF COLORADO HOSPITAL AUTHORITY	13	82
Shane Wheeler Diagnostic Radiology · Englewood, CO	12	27
Karen Nern Dermatology · Edwards, CO	12	41
HOSPICE OF THE VALLEY, INC.	11	31

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