What is Stefan Klein's specialty?

Stefan Klein (NPI 1871664003) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Santa Cruz, CA.

Where does Stefan Klein practice?

Stefan Klein practices in Santa Cruz, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1871664003.

How much does Medicare pay Stefan Klein?

Stefan Klein (NPI 1871664003) received approximately $152K in total Medicare Part B payments, serving 462 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1871664003

Stefan KleinM.D.

Orthopedic SurgerySanta Cruz, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,403

Unique beneficiaries

—

Total services

1,835

Distinct HCPCS

Medicare payment

$130K

Peer benchmark

Total Medicare services vs. 1,921 Orthopedic Surgery providers in CA — above median (cohort median 1,100).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$169

Distinct drugs

Brand share

28.9%

Top prescribed drugs

Tramadol Hcl32 claims

Hydrocodone/Acetaminophen13 claims

QUALITY · MIPS · 2024

Final MIPS score

0.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-9.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$108

Payment records

By payment type

Food and Beverage$108

Top paying entities

Food and Beverage$108

REFERRAL NETWORK

Where Stefan Klein'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
DIGNITY HEALTH	39	102
Bryan Mccleve Anesthesiology · Monte Sereno, CA	19	27
Jon Keller Pathology · Palo Alto, CA	14	27
SCHMETZ, MARK	11	16
Julia Chan Pathology · Los Gatos, CA	11	13

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