John Harkless, D.O.
NPI 1083870455 · Family Medicine Physician · Wytheville, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Harkless, D.O. is a Family Medicine Physician provider in Wytheville, VA (NPI 1083870455).
Provider details
- NPI number
- 1083870455
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OS-014404 (PA)
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 tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,193 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 421 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 366 | $116 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 232 | $114 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 73 | $13 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 43 | $59 |
| Destruction of Precancer Skin Growth, 1 Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 167 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 418 | 98 |
| Omeprazole | 305 | 66 |
| Pantoprazole Sodium | 247 | 63 |
| Gabapentin | 231 | 52 |
| Prednisone | 222 | 158 |
| Rosuvastatin Calcium | 222 | 58 |
| Hydrochlorothiazide | 205 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$713 across 38 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-05
- Last updated
- 2021-03-30
- Certified
- 2021-03-30
Frequently asked questions
- What is John Harkless's NPI number?
- John Harkless's National Provider Identifier (NPI) is 1083870455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Harkless's specialty?
- John Harkless is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Harkless located?
- John Harkless's practice location on file with NPPES is 1040 Holston Rd, Wytheville, VA 24382-4107.
- What is John Harkless's phone number?
- The practice phone number listed in the NPPES registry for John Harkless is (276) 227-0200.
- Does John Harkless accept Medicare?
- John Harkless is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Harkless's NPI active?
- Yes — John Harkless's NPI (1083870455) is active in the NPPES registry as of the last update on 2021-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.