Glenda Lois Montague, M.D.
Otolaryngology (CMS) · Napa, CA
At a glance
3270 Villa Ln, Napa, CA 94558-3085
Published activity: Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Mar 3, 2025. 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
3270 Villa LnNapa, CA 94558-3085
Additional reported practice locations
5814 S Maryland AveU Of Chicago Ent Mc 1035 Room E-102 C/O Shanna Jones
Chicago, IL 606371462
Phone: 7737953158 1100 Trancas St Ste 210
Napa, CA 945582909
Phone: 7072513608
Fax: 7072511727
Education & affiliations
- Medical / professional school
- University Of Mississippi School Of Medicine
- Graduation year
- 2011
- CMS specialties
- Otolaryngology
Practice groups
Reported hospital affiliations
- Adventist Health Clearlake Clearlake, CA
- Adventist Health St Helena Saint Helena, CA
- Providence Queen Of The Valley Medical Center Napa, CA
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.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
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.
Industry-reported general payments
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
| Purpose | Amount |
|---|---|
| Food and beverage | $169.08 |
Reporting companies
| Company | Amount |
|---|---|
| INSPIRE MEDICAL SYSTEMS, INC. | $109.75 |
| SMITH+NEPHEW, INC. | $59.33 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Otolaryngology (CMS)
- Taxonomy code
- 207Y00000X
- Enumeration date
- Jul 13, 2011
- Record updated
- Mar 3, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207YX0602X
License reported: 125060100 IL
207Y00000X · Primary
License reported: A142034 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
3270 Villa LnNapa, CA 94558-3085
- Phone
- (707) 251-3608
- Fax
- (707) 251-1727
Mailing address
3270 VILLA LNNAPA, CA 945583085
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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