Naman A Ghazal-Albar, MD

Internal Medicine · O Fallon, MO

Call (636) 200-3811 Directions

At a glance

5551 Winghaven Blvd, O Fallon, MO 63368-3617

NPPES record updated Oct 8, 2026. Public records can lag behind changes at a practice.

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  • 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

5551 Winghaven Blvd Suite 260
O Fallon, MO 63368-3617

Additional reported practice locations

401 Corporate Park Dr
Clayton, MO 631054201
Phone: 6362884149
10 Hospital Dr Fl 3
Saint Peters, MO 633761659
Phone: 6362884149
100 Medical Dr
Hannibal, MO 634016877
Phone: 5732215250
Fax: 5732313712
5400 Executive Centre Pkwy
Saint Peters, MO 633762594
Phone: 6362884149
4455 Duncan Ave
Saint Louis, MO 631101111
Phone: 6362884149
11160 Village North Dr
Jennings, MO 631366159
Phone: 6362884149
100 Medical Plz
Lake St Louis, MO 633671366
Phone: 6366255200
Fax: 6366255314
300 1St Capitol Dr
Saint Charles, MO 633012844
Phone: 6369475000
Fax: 6369475090
998 Woods Mill Rd
Ballwin, MO 630115101
Phone: 6362884149
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
Not reported in this file
Graduation year
1985
CMS specialties
Endocrinology · 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.

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PAYMENT TRANSPARENCY

Industry-reported general payments

$795.60General payments · 2025
17Reported transactions
9Reporting 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$795.60

Reporting companies

CompanyAmount
SEQUEL MED TECH, LLC$418.25
NOVO NORDISK INC$123.55
TANDEM DIABETES CARE, INC.$88.39
SANOFI-AVENTIS U.S. LLC$39.10
MEDTRONIC, INC.$33.99
MADRIGAL PHARMACEUTICALS$31.98
GLOBUS MEDICAL, INC.$23.26
ABBOTT LABORATORIES$19.76
Other reporting companies$17.32
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
NPI1639144785
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Registry details

Primary taxonomy
Internal Medicine
Taxonomy code
207R00000X
Enumeration date
Feb 22, 2006
Record updated
Oct 8, 2026
More registry details
Provider type
Individual · Type 1
Reported credentials
MD

Reported taxonomies and licenses

Specialty details in registry

174400000X

License reported: 109210 MO

Internal Medicine

207R00000X · Primary

License reported: 109210 MO

Specialty details in registry

207RE0101X

License reported: 109210 MO

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

Practice location

5551 Winghaven Blvd
Suite 260
O Fallon, MO 63368-3617
Phone
(636) 200-3811
Fax
(636) 200-3812
Mailing address
PO BOX 652

CHESTERFIELD, MO 630060652
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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