James Byron Kernan, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Worcester, MA
James Byron Kernan, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Worcester, Massachusetts, and NPI 1578147245, issued on May 10, 2021. Check the license (Massachusetts RN2295475, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Byron Kernan
- Credential
- PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- RN2295475 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Century Dr, Worcester, MA 01606
- Phone
- (844) 319-0000
- Enumerated
- May 10, 2021
- Record last updated
- May 15, 2023
- Medicare enrollment
- Enrolled (PECOS I20230517002981); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,169 in Massachusetts → Look up another NPI →
Also registered at 100 Century Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arun Abraham, MDStudent in an Organized Health Care Education/Training Program1417897414
- Bhavana Aitha, DOStudent in an Organized Health Care Education/Training Program1679323414
- Jason Alan, PSY.D.Clinical Psychologist1922742469
- Caroline Alper, M.D.Internal Medicine Physician1134228992
- Melissa Anderson, PH.D.Clinical Psychologist1043559099
- Kathryn Andersson, CNPPsychiatric/Mental Health Nurse Practitioner1811629843
Verify James Byron Kernan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2295475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,282 Medicare Part D claims for 143 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium80 claims
- Quetiapine Fumarate74 claims
- Olanzapine59 claims
- Omeprazole59 claims
- Benztropine Mesylate52 claims
- Gabapentin42 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.
Industry payments in 2024: $140.52
5 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Holyoke Capital JV, LLCHolyoke, MA
- T Massachusetts, LLCWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Byron Kernan among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts
James Byron Kernan, PMHNP-BC is one of 2,169 psychiatric/mental health nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 52% of them.
- NPI issued2021 · 52% of these records are older, 41% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2021 among the 1,309 with a school on file
- Record last updated2023 · 23% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
132 psychiatric/mental health nurse practitioner records list a practice address in Worcester
They are 132 of the 13,166 NPPES records with a practice address in Worcester, and 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.
All 2,169 in Massachusetts → Every provider in Worcester → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Kathryn Andersson, CNPWorcester, MA 016061811629843
- Maureen DaniellWorcester, MA 016061497132864
- Lovester Duncan, NURSE PRACTITIONERWorcerster, MA 016061497298079
- Laura Florman, PMHNP, RNWorcester, MA 016061326462698
- Shari Harding, RN/NPWorcester, MA 016061265859722
- Esther KinyanjuiWorcester, MA 016061497576953
- Rachel Lambert, FNP-BC, PMHNP-BCWorcester, MA 016061003697889
- Justina Mbugua, APRNWorcester, MA 016061912687088
Common questions
What is James Byron Kernan, PMHNP-BC's NPI number?
James Byron Kernan, PMHNP-BC's National Provider Identifier (NPI) is 1578147245, issued on May 10, 2021. An NPI identifies a provider in billing; it is not a license.
Where is James Byron Kernan, PMHNP-BC located?
The NPPES record lists a practice address at 100 Century Dr, Worcester, MA, 01606. Phone: (844) 319-0000. Providers update this record themselves, so call before visiting.
How can I verify James Byron Kernan, PMHNP-BC's license?
NPPES lists Massachusetts license number RN2295475, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does James Byron Kernan, PMHNP-BC prescribe under Medicare Part D?
In 2024, James Byron Kernan, PMHNP-BC had 1,282 Medicare Part D claims for 143 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
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.