Roger D. Phelps, PHD
Psychologist · Waterville, ME
Roger D. Phelps, PHD is a psychologist with a practice address in Waterville, Maine, and NPI 1538243381, issued on Oct 25, 2006. Check the license (Maine PS998, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Roger D. Phelps
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PS998 ME
Self-reported in NPPES; status is on the state search - Practice location
- 10 Water St, Waterville, ME 04901
- Phone
- (207) 861-3488
- Enumerated
- Oct 25, 2006
- Record last updated
- Nov 9, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (207) 861-3470
- Medicaid ID
- 290410099 ME
- Medicare enrollment
- Enrolled (PECOS I20040209000904); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 260 in Maine → Look up another NPI →
Also registered at 10 Water St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Bachand, LADCAddiction (Substance Use Disorder) Counselor1033295985
- Mary Louisa Barnhart, MDAddiction Psychiatry Physician1811055353
- Ami Bass, LCSWClinical Social Worker1952650004
- Russell Brown, LCSWClinical Social Worker1245316322
- Carol Carothers, LCPC, LADCCounselor1528304250
- Sean Douglas, LCSWClinical Social Worker1881770964
Verify Roger D. Phelps in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license PS998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mainegeneral Medical CenterWaterville, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roger D. Phelps among 260 psychologist records in Maine
Roger D. Phelps, PHD is one of 260 psychologist records with a practice address in Maine. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 60% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated1986 · median 1996 among the 59 with a school on file
- Record last updated2009 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 psychologist records list a practice address in Waterville
They are 13 of the 870 NPPES records with a practice address in Waterville, and 260 psychologist records in Maine.
All 260 in Maine → Every provider in Waterville → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Philip Apolito, PHDWaterville, ME 049011700828753
- Daniel Brangwynne, PHDWaterville, ME 049011083674980
- Christina Fasse, PSY.D.Waterville, ME 049011023176005
- Kristen Heil, ED.S.Waterville, ME 049011598016602
- Diane Moongrove, PHDWaterville, ME 049011073697926
- Michael Nurick, PHDWaterville, ME 049011477595437
- Miranda Phelps, PSYDWaterville, ME 049011457311243
- Nancy Ponzetti-Dyer, PHDWaterville, ME 049011902844913
Common questions
What is Roger D. Phelps, PHD's NPI number?
Roger D. Phelps, PHD's National Provider Identifier (NPI) is 1538243381, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roger D. Phelps, PHD located?
The NPPES record lists a practice address at 10 Water St, Waterville, ME, 04901. Phone: (207) 861-3488. Providers update this record themselves, so call before visiting.
How can I verify Roger D. Phelps, PHD's license?
NPPES lists Maine license number PS998, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
What is Roger D. Phelps, PHD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. 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.