Marianne A. Mainer, NP
Nurse Practitioner · Savannah, GA
Marianne A. Mainer, NP is a nurse practitioner with a practice address in Savannah, Georgia, and NPI 1861868481, issued on Aug 18, 2015. Check the license (Georgia RN209207, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marianne A. Mainer
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN209207 GA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Executive Cir, Savannah, GA 31406
- Phone
- (912) 691-1533
- Enumerated
- Aug 18, 2015
- Record last updated
- Jun 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (912) 691-1953
- Medicare enrollment
- Enrolled (PECOS I20151021001052); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,109 in Georgia → Look up another NPI →
Also registered at 5 Executive Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patricia Butler, NPNurse Practitioner1104861004
- Kenneth Canzon, PANurse Practitioner1588816888
- Alia Carata, LPCMental Health Counselor1013763523
Verify Marianne A. Mainer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Georgia board licenses this profession
Search for license RN209207Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average nurse practitioner in 2024
628 Medicare Part D claims for 66 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Trazodone Hcl62 claims
- Fluoxetine Hcl41 claims
- Lurasidone Hcl41 claims
- Olanzapine35 claims
- Buspirone Hcl31 claims
- Citalopram Hbr27 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: $141.28
2 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 38,884 providers of this specialty with any payment received $791.64 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 one group practice
- Wound Care Clinic - Esu, Inc.Pooler, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marianne A. Mainer among 3,109 nurse practitioner records in Georgia
Marianne A. Mainer, NP is one of 3,109 nurse practitioner records with a practice address in Georgia. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 38% of them.
- NPI issued2015 · 38% of these records are older, 59% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2015 · median 2018 among the 1,734 with a school on file
- Record last updated2016 · 43% 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 Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
139 nurse practitioner records list a practice address in Savannah
They are 139 of the 5,692 NPPES records with a practice address in Savannah, and 3,109 nurse practitioner records in Georgia.
All 3,109 in Georgia → Every provider in Savannah → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Mark Bowen, N.P.Savannah, GA 314061548232473
- Patricia Butler, NPSavannah, GA 314061104861004
- Valerie Conway, NPSavannah, GA 314061790727014
- Gaye Cook, NPSavannah, GA 314061992732085
- Karen Crawford Osterman, NPSavannah, GA 314061245229285
- Jaqueline Davis, NPSavannah, GA 314061518989078
- Deborah Donnelly, NPSavannah, GA 314061396894473
- Amy Groover, N.P.Savannah, GA 314061669556189
Common questions
What is Marianne A. Mainer, NP's NPI number?
Marianne A. Mainer, NP's National Provider Identifier (NPI) is 1861868481, issued on Aug 18, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Marianne A. Mainer, NP located?
The NPPES record lists a practice address at 5 Executive Cir, Savannah, GA, 31406. Phone: (912) 691-1533. Providers update this record themselves, so call before visiting.
How can I verify Marianne A. Mainer, NP's license?
NPPES lists Georgia license number RN209207, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.
How much does Marianne A. Mainer, NP prescribe under Medicare Part D?
In 2024, Marianne A. Mainer, NP had 628 Medicare Part D claims for 66 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.