What is Douglas Dahl's specialty?

Douglas Dahl (NPI 1639160807) is a Medicare-billing provider whose primary specialty is Urology in Boston, MA.

Where does Douglas Dahl practice?

Douglas Dahl practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1639160807.

How much does Medicare pay Douglas Dahl?

Douglas Dahl (NPI 1639160807) received approximately $221K in total Medicare Part B payments, serving 386 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639160807

Douglas DahlMD

UrologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

810

Unique beneficiaries

—

Total services

930

Distinct HCPCS

Medicare payment

$186K

Peer benchmark

Total Medicare services vs. 244 Urology providers in MA — above median (cohort median 2,012).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Tamsulosin Hcl32 claims

Dutasteride28 claims

Finasteride28 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 Douglas Dahl'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE GENERAL HOSPITAL CORPORATION	234	1,097
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	30	58
Chia-Sui Kao Pathology · Stanford, CA	26	66
Esther Oliva Pathology · Boston, MA	18	39
CAPE COD HOSPITAL INC	16	63
Chin-Lee Wu Pathology · Boston, MA	14	33
Catherine Masterson Nurse Practitioner · Boston, MA	13	15

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