Bernard Chang, M.D.
NPI 1851339154 · Neurology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bernard Chang, M.D. is a Neurology Physician provider in Boston, MA (NPI 1851339154).
Provider details
- NPI number
- 1851339154
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 213220 (MA)
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 tenure28% of score
20 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
144 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 62 | $124 |
| Measurement of Brain Wave Activity With Video (veeg), 12-26 Hours With Review and Report By Health Care Professional95720 | 57 | $215 |
| Measurement of Brain Wave Activity With Video (veeg), 2-12 Hours With Review and Report By Health Care Professional95718 | 25 | $140 |
Typical Medicare-allowed amounts for these services range $124–$215 (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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 105 | 17 |
| Levetiracetam | 65 | 17 |
| Divalproex Sodium | 43 | — |
| Zonisamide | 35 | 13 |
| Lacosamide | 28 | — |
| Carbamazepinebrand: Carbamazepine Er | 28 | — |
| Topiramate | 27 | — |
| Oxcarbazepine | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2014-02-03
Frequently asked questions
- What is Bernard Chang's NPI number?
- Bernard Chang's National Provider Identifier (NPI) is 1851339154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bernard Chang's specialty?
- Bernard Chang is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Bernard Chang located?
- Bernard Chang's practice location on file with NPPES is 330 Brookline Avenue, Ks-457, Boston, MA 02215.
- What is Bernard Chang's phone number?
- The practice phone number listed in the NPPES registry for Bernard Chang is (617) 667-2889.
- Does Bernard Chang accept Medicare?
- Bernard Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bernard Chang's NPI active?
- Yes — Bernard Chang's NPI (1851339154) is active in the NPPES registry as of the last update on 2014-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.