What is Glen Vander Zalm's specialty?

Glen Vander Zalm (NPI 1528033578) is a Medicare-billing provider whose primary specialty is Gastroenterology in Orlando, FL.

Where does Glen Vander Zalm practice?

Glen Vander Zalm practices in Orlando, FL, based on the location reported in the CMS Medicare provider datasets for NPI 1528033578.

How much does Medicare pay Glen Vander Zalm?

Glen Vander Zalm (NPI 1528033578) received approximately $164K in total Medicare Part B payments, serving 300 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528033578

Glen Vander ZalmMD

PRACTICEGASTRO HEALTH, LLCSee all providers at this practice →

GastroenterologyOrlando, FLI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

487

Unique beneficiaries

—

Total services

535

Distinct HCPCS

Medicare payment

$52K

Peer benchmark

Total Medicare services vs. 1,135 Gastroenterology providers in FL — top quintile (cohort median 817).

PRESCRIBING · PART D · 2024

Total Rx claims

805

Beneficiaries

—

Total drug cost

$433K

Distinct drugs

Brand share

27.6%

Top prescribed drugs

Pantoprazole Sodium322 claims

Omeprazole157 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl75 claims

Esomeprazole Magnesium57 claims

Sod Picosulf/Mag Ox/Citric Ac45 claims

QUALITY · MIPS · 2024

Final MIPS score

82.0

Quality

65.4

Cost

76.4

Improvement activities

40.0

Promoting interop.

98.0

Payment adjustment

0.30%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where Glen Vander Zalm'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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ORLANDO HEALTH, INC.	144	432
Orlando Fl Endoscopy Asc Llc Ambulatory Surgical Center · Orlando, FL	118	232
ADVENTIST HEALTH SYSTEM-SUNBELT, INC	36	89
Norys Torres Certified Registered Nurse Anesthetist (CRNA) · Orlando, FL	34	62
Leslie Jones Certified Registered Nurse Anesthetist (CRNA) · Eustis, FL	30	62
Laboratory Corporation Of America Clinical Laboratory · Tampa, FL	29	66
Aaron Wagner Pathology · Orlando, FL	27	75
John Maksem Pathology · Orlando, FL	24	54
Mei Liang Pathology · Cincinnati, OH	20	35
HUDAK, ROBERT	19	54
NPI 1386690071	19	42
HARDING, DAVID	18	50

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