Terry Knowles, DO
NPI 1790943918 · Family Medicine Physician · Potsdam, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Terry Knowles, DO is a Family Medicine Physician provider in Potsdam, NY (NPI 1790943918).
Provider details
- NPI number
- 1790943918
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 253764 (NY)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
775 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 355 | $120 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 220 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 69 | $121 |
| Admn Sarscov2 Vacc 1 Dose90480 | 34 | $41 |
| Administration of Influenza Virus VaccineG0008 | 29 | $30 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 168 | 41 |
| Atorvastatin Calcium | 163 | 51 |
| Amlodipine Besylate | 114 | 40 |
| Levothyroxine Sodium | 99 | 31 |
| Lisinopril | 90 | 28 |
| Hydrochlorothiazide | 86 | 31 |
| Omeprazole | 82 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-23
- Last updated
- 2013-11-11
Frequently asked questions
- What is Terry Knowles's NPI number?
- Terry Knowles's National Provider Identifier (NPI) is 1790943918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terry Knowles's specialty?
- Terry Knowles is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Terry Knowles located?
- Terry Knowles's practice location on file with NPPES is 50 Leroy St, Potsdam, NY 13676-1786.
- What is Terry Knowles's phone number?
- The practice phone number listed in the NPPES registry for Terry Knowles is (315) 265-3300.
- Does Terry Knowles accept Medicare?
- Terry Knowles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Terry Knowles's NPI active?
- Yes — Terry Knowles's NPI (1790943918) is active in the NPPES registry as of the last update on 2013-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.