What is Katherine Lyman's specialty?

Katherine Lyman (NPI 1851309108) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Boston, MA.

Where does Katherine Lyman practice?

Katherine Lyman practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1851309108.

How much does Medicare pay Katherine Lyman?

Katherine Lyman (NPI 1851309108) received approximately $79K in total Medicare Part B payments, serving 440 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1851309108

Katherine LymanN.P.

Nurse PractitionerBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,166

Unique beneficiaries

—

Total services

1,604

Distinct HCPCS

Medicare payment

$78K

Peer benchmark

Total Medicare services vs. 5,906 Nurse Practitioner providers in MA — top quintile (cohort median 289).

PRESCRIBING · PART D · 2024

Total Rx claims

725

Beneficiaries

—

Total drug cost

$28K

Distinct drugs

Brand share

7.6%

Top prescribed drugs

Amlodipine Besylate104 claims

Atorvastatin Calcium66 claims

Donepezil Hcl47 claims

Losartan Potassium42 claims

Lisinopril41 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Katherine Lyman'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Dae Hyun Kim Gastroenterology · Boston, MA	24	88
ZIZZA, ANTHONY	24	73
FAULKNER MEDICAL LABORATORIES, INC.	14	66
Elizabeth Lasalvia Psychiatry · Boston, MA	13	28
BETH ISRAEL DEACONESS HOSPITAL-NEEDHAM, INC.	13	27
Ronald Eisenberg Diagnostic Radiology · Boston, MA	12	16
Jim Wu Diagnostic Radiology · Boston, MA	11	12
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	11	16

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