Robert Berks, PMHNP
NPI 1124177522 · Psychiatric/Mental Health Nurse Practitioner · Lewiston, ME
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Berks, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Lewiston, ME (NPI 1124177522).
Provider details
- NPI number
- 1124177522
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Male
- Sole proprietor
- No
- License
- CNP81019 (ME)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
71 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 Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 56 | $41 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 15 | $65 |
Typical Medicare-allowed amounts for these services range $41–$65 (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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 116 | — |
| Quetiapine Fumarate | 107 | 16 |
| Fluoxetine Hcl | 102 | 11 |
| Trazodone Hcl | 75 | 18 |
| Duloxetine Hcl | 59 | — |
| Risperidone | 58 | — |
| Lorazepam | 55 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-09
- Last updated
- 2022-11-07
- Certified
- 2022-11-07
Frequently asked questions
- What is Robert Berks's NPI number?
- Robert Berks's National Provider Identifier (NPI) is 1124177522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Berks's specialty?
- Robert Berks is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Robert Berks located?
- Robert Berks's practice location on file with NPPES is 100 Campus Ave, Lewiston, ME 04240.
- What is Robert Berks's phone number?
- The practice phone number listed in the NPPES registry for Robert Berks is (207) 777-8974.
- Does Robert Berks accept Medicare?
- Robert Berks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Berks's NPI active?
- Yes — Robert Berks's NPI (1124177522) is active in the NPPES registry as of the last update on 2022-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.