What is Vivek Kak's specialty?

Vivek Kak (NPI 1821009655) is a Medicare-billing provider whose primary specialty is Internal Medicine in Jackson, MI.

Where does Vivek Kak practice?

Vivek Kak practices in Jackson, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1821009655.

How much does Medicare pay Vivek Kak?

Vivek Kak (NPI 1821009655) received approximately $609K in total Medicare Part B payments, serving 450 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821009655

Vivek KakMD

PRACTICEDONNA M O'NEILL M.D. P.C.See all providers at this practice →

Internal MedicineJackson, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,072

Unique beneficiaries

—

Total services

143,556

Distinct HCPCS

Medicare payment

$293K

Peer benchmark

Total Medicare services vs. 3,459 Internal Medicine providers in MI — top quintile (cohort median 549).

PRESCRIBING · PART D · 2024

Total Rx claims

682

Beneficiaries

—

Total drug cost

$712K

Distinct drugs

Brand share

38.9%

Top prescribed drugs

Doxycycline Hyclate64 claims

Sulfamethoxazole/Trimethoprim62 claims

Bictegrav/Emtricit/Tenofov Ala40 claims

Minocycline Hcl39 claims

Vancomycin Hcl37 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$44

Payment records

By payment type

Education$26

Food and Beverage$18

Top paying entities

Education$26

Food and Beverage$18

REFERRAL NETWORK

Where Vivek Kak'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). 78 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
W.A. FOOTE MEMORIAL HOSPITAL, INC.	533	8,993
Pallavi Bhargava Infectious Disease · Silverdale, WA	234	5,001
KULHANEK, GRACE	223	4,081
Donna O'neill Infectious Disease · Jackson, MI	145	3,133
James Heisel Diagnostic Radiology · Jackson, MI	129	554
Samir Parikh Diagnostic Radiology · Jackson, MI	127	481
ANDERSON, LIBBY	114	346
WILLIAMSON, DAVID	109	366
Mohammad Asad Diagnostic Radiology · Jackson, MI	108	371
SHENAI, BHASKAR	99	324
Waseem Ullah Diagnostic Radiology · Jackson, MI	84	272
Sadasiva Reddy Diagnostic Radiology · Jackson, MI	72	204

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