Glen Knowles, D.O.
NPI 1679579536 · Family Medicine Physician · Bradford, AR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glen Knowles, D.O. is a Family Medicine Physician provider in Bradford, AR (NPI 1679579536).
Provider details
- NPI number
- 1679579536
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- E0193 (AR)
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
21 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
91 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 | 64 | $89 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $60 |
Typical Medicare-allowed amounts for these services range $60–$89 (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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 35 | 13 |
| Levothyroxine Sodium | 32 | 13 |
| Lisinopril | 29 | 11 |
| Amlodipine Besylate | 26 | 13 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 23 | — |
| Gabapentin | 21 | — |
| Diclofenac Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-24
- Last updated
- 2010-03-15
Frequently asked questions
- What is Glen Knowles's NPI number?
- Glen Knowles's National Provider Identifier (NPI) is 1679579536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glen Knowles's specialty?
- Glen Knowles is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Glen Knowles located?
- Glen Knowles's practice location on file with NPPES is 203 West Main Street, Bradford, AR 72020.
- What is Glen Knowles's phone number?
- The practice phone number listed in the NPPES registry for Glen Knowles is (501) 344-2788.
- Does Glen Knowles accept Medicare?
- Glen Knowles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glen Knowles's NPI active?
- Yes — Glen Knowles's NPI (1679579536) is active in the NPPES registry as of the last update on 2010-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.