Robert W. Berks, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Lewiston, ME
Robert W. Berks, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Lewiston, Maine, and NPI 1124177522, issued on Jan 9, 2007. Check the license (Maine CNP81019, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert W. Berks
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- CNP81019 ME
Self-reported in NPPES; status is on the state search - Practice location
- 100 Campus Ave, Lewiston, ME 04240
- Phone
- (207) 777-8974
- Enumerated
- Jan 9, 2007
- Record last updated
- Nov 7, 2022
- Fax
- (207) 777-8946
- Medicaid ID
- 330390099 ME
- Medicare enrollment
- Enrolled (PECOS I20050727000829); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 472 in Maine → Look up another NPI →
Also registered at 100 Campus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taylor Bolden, LCSWClinical Social Worker1306395017
- Mary Cronin-Finn, LCPCProfessional Counselor1649220492
- David Dettmann, DOPsychiatry Physician1073538427
Verify Robert W. Berks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP81019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,485 Medicare Part D claims for 101 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Olanzapine116 claims
- Quetiapine Fumarate107 claims
- Fluoxetine Hcl102 claims
- Trazodone Hcl75 claims
- Duloxetine Hcl59 claims
- Risperidone58 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St Marys Regional Medical CenterLewiston, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert W. Berks among 472 psychiatric/mental health nurse practitioner records in Maine
Robert W. Berks, PMHNP is one of 472 psychiatric/mental health nurse practitioner records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 78% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1997 · median 2019 among the 303 with a school on file
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 psychiatric/mental health nurse practitioner records list a practice address in Lewiston
They are 43 of the 1,728 NPPES records with a practice address in Lewiston, and 472 psychiatric/mental health nurse practitioner records in Maine.
All 472 in Maine → Every provider in Lewiston → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Margo Beemer, FNP-BCLewiston, ME 042401629317466
- Veronica Diamond, PMHNPLewiston, ME 042401841424207
- Diane Greslick, PMHNP BC, CNPLewiston, ME 042401619241312
- Patricia Hentz, APNPLewiston, ME 042401932140316
- Jeffrey LarueLewiston, ME 042401437490224
- Adrienne Lucey, PMHNPLewiston, ME 042401912316753
- Stacey Morris, PMHNPLewiston, ME 042401831506872
- William Nevins, PMHNPLewiston, ME 042401326131020
Common questions
What is Robert W. Berks, PMHNP's NPI number?
Robert W. Berks, PMHNP's National Provider Identifier (NPI) is 1124177522, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert W. Berks, PMHNP located?
The NPPES record lists a practice address at 100 Campus Ave, Lewiston, ME, 04240. Phone: (207) 777-8974. Providers update this record themselves, so call before visiting.
How can I verify Robert W. Berks, PMHNP's license?
NPPES lists Maine license number CNP81019, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Robert W. Berks, PMHNP prescribe under Medicare Part D?
In 2024, Robert W. Berks, PMHNP had 1,485 Medicare Part D claims for 101 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
What is Robert W. Berks, PMHNP's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.