What is John Lonsdale's specialty?

John Lonsdale (NPI 1669583662) is a Medicare-billing provider whose primary specialty is Ophthalmology in Lewiston, ME.

Where does John Lonsdale practice?

John Lonsdale practices in Lewiston, ME, based on the location reported in the CMS Medicare provider datasets for NPI 1669583662.

How much does Medicare pay John Lonsdale?

John Lonsdale (NPI 1669583662) received approximately $126K in total Medicare Part B payments, serving 683 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1669583662

John LonsdaleM.D.

PRACTICECMEC EYE CARE LLCSee all providers at this practice →

OphthalmologyLewiston, MEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,635

Unique beneficiaries

—

Total services

2,064

Distinct HCPCS

Medicare payment

$116K

Peer benchmark

Total Medicare services vs. 68 Ophthalmology providers in ME — above median (cohort median 1,604).

PRESCRIBING · PART D · 2024

Total Rx claims

4,167

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

Brand share

50.3%

Top prescribed drugs

Bimatoprost559 claims

Latanoprost463 claims

Prednisolone Acetate443 claims

Ketorolac Tromethamine434 claims

Moxifloxacin Hcl429 claims

QUALITY · MIPS · 2024

Final MIPS score

96.3

Quality

100.0

Cost

78.6

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.90%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$388

Payment records

By payment type

Food and Beverage$388

Top paying entities

Food and Beverage$388

REFERRAL NETWORK

Where John Lonsdale'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). 57 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST. MARY'S REGIONAL MEDICAL CENTER	514	2,231
ANDROSCOGGIN HOME HEALTH SERVICES, INC	99	224
BALLARD, REATHA	40	172
MAINEHEALTH	39	119
Roy Ulin Cardiology · Lewiston, ME	39	112
Nordx Clinical Laboratory · Scarborough, ME	36	66
Lynette Weeman Cardiology · Lewiston, ME	31	74
William Lee Internal Medicine · Lewiston, ME	31	81
ANDROSCOGGIN HOME HEALTH SERVICES, INC.	31	41
Troy Avery Optometry · Lewiston, ME	30	116
PLACE, JAMES	29	42
Pamela Ross Internal Medicine · Lewiston, ME	28	85

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