Atif Rizwan, MD

Internal Medicine · Grand Rapids, MI

Call (616) 391-3139 Directions

At a glance

100 Michigan St Ne # Mc127, Grand Rapids, MI 49503-2560

NPPES record updated Apr 27, 2026. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

Check the official Medicare directory ↗

Practice location

100 Michigan St Ne # Mc127
Grand Rapids, MI 49503-2560

Additional reported practice locations

2001 N Jefferson Ave
Mount Pleasant, TX 754552338
Phone: 9035776000
Fax: 9035776245
221 W Colorado Blvd Ste 525
Dallas, TX 752082312
Phone: 2149605681 · Ext. 75
Fax: 2149605681
401 6Th Ave
Montgomery, WV 251362199
Phone: 3044425151
Fax: 3044427494
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
Not reported in this file
Graduation year
1998
CMS specialties
Hospitalist · Internal Medicine

Practice groups

Reported hospital affiliations

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

Explore similar providers →
PAYMENT TRANSPARENCY

Industry-reported general payments

$51.53General payments · 2025
2Reported transactions
2Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

PurposeAmount
Food and beverage$51.53

Reporting companies

CompanyAmount
E.R. SQUIBB & SONS, L.L.C.$33.73
AIMMUNE THERAPEUTICS, INC.$17.80
View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1700087210
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Registry details

Primary taxonomy
Internal Medicine
Taxonomy code
207R00000X
Enumeration date
May 30, 2007
Record updated
Apr 27, 2026
More registry details
Provider type
Individual · Type 1
Reported credentials
MD

Reported taxonomies and licenses

Internal Medicine

207R00000X

License reported: 4301087141 MI

Internal Medicine

207R00000X

License reported: 29934 WV

Internal Medicine

207R00000X · Primary

License reported: Q5716 TX

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

100 Michigan St Ne # Mc127
Grand Rapids, MI 49503-2560
Phone
(616) 391-3139
Mailing address
100 MICHIGAN ST NE # MC845

GRAND RAPIDS, MI 495032560
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

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