Mark Joshua Bernardo, DO
NPI 1245816602 · Psychiatry Physician · Portland, ME
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Joshua Bernardo, DO is a Psychiatry Physician provider in Portland, ME (NPI 1245816602).
Provider details
- NPI number
- 1245816602
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO4070 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bupropion Hclbrand: Bupropion Xl | 49 |
| Clonazepam | 40 |
| Sertraline Hcl | 36 |
| Trazodone Hcl | 36 |
| Gabapentin | 33 |
| Lorazepam | 24 |
| Methylphenidate Hclbrand: Methylphenidate Er | 23 |
| Lamotrigine | 20 |
| Risperidone | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-24
- Last updated
- 2025-05-05
- Certified
- 2025-05-05
Frequently asked questions
- What is Mark Joshua Bernardo's NPI number?
- Mark Joshua Bernardo's National Provider Identifier (NPI) is 1245816602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Joshua Bernardo's specialty?
- Mark Joshua Bernardo is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Joshua Bernardo located?
- Mark Joshua Bernardo's practice location on file with NPPES is 22 Bramhall St, Portland, ME 04102-3134.
- What is Mark Joshua Bernardo's phone number?
- The practice phone number listed in the NPPES registry for Mark Joshua Bernardo is (207) 662-0111.
- Does Mark Joshua Bernardo accept Medicare?
- Mark Joshua Bernardo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Joshua Bernardo's NPI active?
- Yes — Mark Joshua Bernardo's NPI (1245816602) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.