What is Alexander Jack's specialty?

Alexander Jack (NPI 1346482627) is a Medicare-billing provider whose primary specialty is Dermatology in Ladera Ranch, CA.

Where does Alexander Jack practice?

Alexander Jack practices in Ladera Ranch, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1346482627.

How much does Medicare pay Alexander Jack?

Alexander Jack (NPI 1346482627) received approximately $146K in total Medicare Part B payments, serving 331 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1346482627

Alexander JackM.D.

PRACTICEELIZABETH V. LENER, M.D., INC.See all providers at this practice →

DermatologyLadera Ranch, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,205

Unique beneficiaries

—

Total services

2,266

Distinct HCPCS

Medicare payment

$134K

Peer benchmark

Total Medicare services vs. 1,546 Dermatology providers in CA — below median (cohort median 2,504).

PRESCRIBING · PART D · 2024

Total Rx claims

436

Beneficiaries

—

Total drug cost

$57K

Distinct drugs

Brand share

6.4%

Top prescribed drugs

Ketoconazole95 claims

Triamcinolone Acetonide59 claims

Mupirocin58 claims

Clobetasol Propionate53 claims

Cephalexin31 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$328

Payment records

By payment type

Food and Beverage$328

Top paying entities

Food and Beverage$328

REFERRAL NETWORK

Where Alexander Jack'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). 4 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Zarry Tavakkol Dermatology · Everett, WA	23	28
PUBLIC HOSPITAL DIST NO 1 SKAGIT	13	24
Grant Taylor Family Practice · Stanwood, WA	11	22
Robert Klem Family Practice · Shoreline, WA	11	25

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES-WA	22	32
Sanhwan Chen Dermatology · Everett, WA	22	32
Fa Abigail De Imus Dermatology · Marysville, WA	17	49

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