What is Karl Siebert's specialty?

Karl Siebert (NPI 1205809159) is a Medicare-billing provider whose primary specialty is Ophthalmology in Grand Rapids, MI.

Where does Karl Siebert practice?

Karl Siebert practices in Grand Rapids, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1205809159.

How much does Medicare pay Karl Siebert?

Karl Siebert (NPI 1205809159) received approximately $178K in total Medicare Part B payments, serving 480 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1205809159

Karl SiebertM.D.

OphthalmologyGrand Rapids, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,261

Unique beneficiaries

—

Total services

1,667

Distinct HCPCS

Medicare payment

$148K

Peer benchmark

Total Medicare services vs. 608 Ophthalmology providers in MI — above median (cohort median 1,582).

PRESCRIBING · PART D · 2024

Total Rx claims

5,098

Beneficiaries

—

Total drug cost

$474K

Distinct drugs

Brand share

33.7%

Top prescribed drugs

Latanoprost1,276 claims

Timolol Maleate893 claims

Dorzolamide Hcl/Timolol Maleat724 claims

Prednisolone Acetate517 claims

Bimatoprost261 claims

QUALITY · MIPS · 2024

Final MIPS score

90.7

Quality

94.8

Cost

75.8

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$195

Payment records

By payment type

Food and Beverage$195

Top paying entities

Food and Beverage$195

REFERRAL NETWORK

Where Karl Siebert'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). 11 inbound referrers · 30 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
East Paris Surgical Center, Llc Ambulatory Surgical Center · Grand Rapids, MI	152	417
SPECTRUM HEALTH PRIMARY CARE PARTNERS	125	297
ADVANTAGE HEALTH/SAINT MARY'S MEDICAL GROUP	79	220
GRAND VALLEY MEDICAL SPECIALISTS PLC	59	131
RICKETTS, JEFFREY	33	83
SABON, RAYMOND	26	54
David Huckstep Certified Registered Nurse Anesthetist (CRNA) · Grand Rapids, MI	24	51
NPI 1225066327	21	72
MERCY PHYSICIAN NETWORK	19	56
WATERS, GREGORY	13	22
CREW, DOUGLAS	12	26

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
REGENTS OF THE UNIVERSITY OF MICHIGAN	358	909
SPECTRUM HEALTH HOSPITALS	161	436
SPECTRUM HEALTH PRIMARY CARE PARTNERS	127	316
SAINT MARY'S HEALTH SERVICES	119	387
East Paris Surgical Center, Llc Ambulatory Surgical Center · Grand Rapids, MI	95	242
ADVANTAGE HEALTH/SAINT MARY'S MEDICAL GROUP	84	240
GRAND VALLEY MEDICAL SPECIALISTS PLC	61	131
METROPOLITAN HOSPITAL	51	163
CREW, DOUGLAS	28	87
Alison Heeringa Certified Registered Nurse Anesthetist (CRNA) · Grand Rapids, MI	24	57
Corey Landacre Certified Registered Nurse Anesthetist (CRNA) · Grand Rapids, MI	22	60
METROPOLITAN ENTERPRISES INC.	22	61

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