John Herndon
NPI 1518387398 · Neurology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Herndon is a Neurology Physician provider in Portland, OR (NPI 1518387398).
Provider details
- NPI number
- 1518387398
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MED-PHYS-LIC-77300 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
231 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) |
|---|---|---|
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 70 | $31 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 59 | $178 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 41 | $139 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $99 |
| 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 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 286 | 130 |
| Donepezil Hcl | 41 | 26 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 32 | 20 |
| Levetiracetam | 25 | 11 |
| Memantine Hcl | 23 | — |
| Amantadine Hclbrand: Amantadine | 21 | 15 |
| Primidone | 18 | — |
Practice location
Mailing address
Additional practice locations (1)
- 101 Manning DrChapel Hill, NC 27516Phone: (919) 843-3133Fax: (919) 966-2922
Registry dates
- Enumerated
- 2014-04-21
- Last updated
- 2024-01-02
- Certified
- 2024-01-02
Frequently asked questions
- What is John Herndon's NPI number?
- John Herndon's National Provider Identifier (NPI) is 1518387398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Herndon's specialty?
- John Herndon is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is John Herndon located?
- John Herndon's practice location on file with NPPES is 3181 Sw Sam Jackson Park Rd, Portland, OR 97239-3011.
- What is John Herndon's phone number?
- The practice phone number listed in the NPPES registry for John Herndon is (503) 494-7772.
- Does John Herndon accept Medicare?
- John Herndon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Herndon's NPI active?
- Yes — John Herndon's NPI (1518387398) is active in the NPPES registry as of the last update on 2024-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.