Rowena Tessmann, PMH-NP, PH.D.
Nurse Practitioner · Waterville, ME
Rowena Tessmann, PMH-NP, PH.D. is a nurse practitioner with a practice address in Waterville, Maine, and NPI 1073531422, issued on Jul 17, 2006. Check the license (Maine AP 081192, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rowena Tessmann
- Credential
- PMH-NP, PH.D.
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- AP 081192 ME
R038001 ME
Self-reported in NPPES; status is on the state search - Practice location
- 58 Elm St., Waterville, ME 04901
- Phone
- (207) 680-2065
- Enumerated
- Jul 17, 2006
- Record last updated
- Jul 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (207) 680-2068
- Medicaid IDs
- 432295299 ME
238000099 ME - Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 450 in Maine → Look up another NPI →
Also registered at 58 Elm St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Turgeon, LCPC-CSocial Worker1023336450
Verify Rowena Tessmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license AP 081192Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average nurse practitioner in 2024
1,756 Medicare Part D claims for 77 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Risperidone155 claims
- Quetiapine Fumarate132 claims
- Lorazepam124 claims
- Clonidine Hcl110 claims
- Benztropine Mesylate72 claims
- Olanzapine68 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.
Rowena Tessmann among 450 nurse practitioner records in Maine
Rowena Tessmann, PMH-NP, PH.D. is one of 450 nurse practitioner records with a practice address in Maine. 72% 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, 71% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2009 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 nurse practitioner records list a practice address in Waterville
They are 25 of the 870 NPPES records with a practice address in Waterville, and 450 nurse practitioner records in Maine.
All 450 in Maine → Every provider in Waterville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Megan Bell, NPWaterville, ME 049011659669711
- Harold Dean, FNPWaterville, ME 049011902918428
- Bridgett Fisher, NPWaterville, ME 049011881970887
- Claudia Glynn, FNPWaterville, ME 049011285609016
- Persis Hope, NPWaterville, ME 049011134195100
- Theresa Jacques, FNP-CWinslow, ME 049011881647709
- Deborah Martin, FNPWaterville, ME 049011518166636
- Andrea Mathieu, FNP-CWaterville, ME 049011629022132
Common questions
What is Rowena Tessmann, PMH-NP, PH.D.'s NPI number?
Rowena Tessmann, PMH-NP, PH.D.'s National Provider Identifier (NPI) is 1073531422, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rowena Tessmann, PMH-NP, PH.D. located?
The NPPES record lists a practice address at 58 Elm St., Waterville, ME, 04901. Phone: (207) 680-2065. Providers update this record themselves, so call before visiting.
How can I verify Rowena Tessmann, PMH-NP, PH.D.'s license?
NPPES lists Maine license number AP 081192, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Rowena Tessmann, PMH-NP, PH.D. prescribe under Medicare Part D?
In 2024, Rowena Tessmann, PMH-NP, PH.D. had 1,756 Medicare Part D claims for 77 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.