Christina Johnston, D.O.
NPI 1659519296 · Neurology Physician · Holland, MI
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Johnston, D.O. is a Neurology Physician provider in Holland, MI (NPI 1659519296).
Provider details
- NPI number
- 1659519296
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 5101017861 (MI)
Specialties & taxonomies
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
380 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 206 | $92 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 57 | $64 |
| Injection of Chemical for Paralysis of Facial and Neck Nerve Muscles on Both Sides of Face64615 | 47 | $114 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 24 | $166 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $128 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 395 | 127 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 286 | 67 |
| Donepezil Hcl | 226 | 67 |
| Topiramate | 193 | 64 |
| Levetiracetam | 166 | 55 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 161 | 48 |
| Nortriptyline Hcl | 140 | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$559 across 21 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
- 2009-02-03
- Last updated
- 2026-04-23
- Certified
- 2026-04-23
Frequently asked questions
- What is Christina Johnston's NPI number?
- Christina Johnston's National Provider Identifier (NPI) is 1659519296, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Johnston's specialty?
- Christina Johnston is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Christina Johnston located?
- Christina Johnston's practice location on file with NPPES is 844 Washington Ave Ste 1200, Holland, MI 49423-7186.
- What is Christina Johnston's phone number?
- The practice phone number listed in the NPPES registry for Christina Johnston is (616) 396-7366.
- Does Christina Johnston accept Medicare?
- Christina Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Johnston's NPI active?
- Yes — Christina Johnston's NPI (1659519296) is active in the NPPES registry as of the last update on 2026-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.