Brian Guadagno, MD
NPI 1922266261 · Internal Medicine Physician · Glens Falls, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Guadagno, MD is a Internal Medicine Physician provider in Glens Falls, NY (NPI 1922266261).
Provider details
- NPI number
- 1922266261
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 257316 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
95 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 23 | $6 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 22 | $69 |
| Stool Analysis for Blood, By Fecal Hemoglobin Determination By Immunoassay82274 | 21 | $16 |
| X-Ray of Chest, 2 Views71046 | 17 | $22 |
| Automated Urinalysis Test81003 | 12 | $2 |
Typical Medicare-allowed amounts for these services range $2–$69 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 166 | 76 |
| Doxycycline Hyclate | 126 | 123 |
| Levothyroxine Sodium | 112 | 32 |
| Omeprazole | 103 | 49 |
| Amlodipine Besylate | 99 | 39 |
| Lisinopril | 97 | 40 |
| Prednisone | 91 |
Practice location
Mailing address
Additional practice locations (4)
- 6223 State Route 9Chestertown, NY 12817-2823Phone: (518) 494-2761Fax: (518) 494-3541
- 1299 Route 9Gansevoort, NY 12831-1560Phone: (518) 761-6961Fax: (518) 761-1006
- 28 S Western AveQueensbury, NY 12804-3323Phone: (518) 798-6400Fax: (518) 798-4105
- 3767 Main StWarrensburg, NY 12885-1890Phone: (518) 623-2844Fax: (518) 623-3416
Registry dates
- Enumerated
- 2008-05-22
- Last updated
- 2026-03-13
- Certified
- 2026-03-13
Frequently asked questions
- What is Brian Guadagno's NPI number?
- Brian Guadagno's National Provider Identifier (NPI) is 1922266261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Guadagno's specialty?
- Brian Guadagno is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Guadagno located?
- Brian Guadagno's practice location on file with NPPES is 100 Broad St, Glens Falls, NY 12801-4349.
- What is Brian Guadagno's phone number?
- The practice phone number listed in the NPPES registry for Brian Guadagno is (518) 792-2223.
- Does Brian Guadagno accept Medicare?
- Brian Guadagno is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Guadagno's NPI active?
- Yes — Brian Guadagno's NPI (1922266261) is active in the NPPES registry as of the last update on 2026-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.