Diane Hermanie Mainwold, D.O.
Gynecology Physician · Melbourne, FL
Diane Hermanie Mainwold, D.O. is a gynecology physician with a practice address in Melbourne, Florida, and NPI 1659365401, issued on Sep 8, 2005. Check the license (Florida OS6956, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Diane Hermanie Mainwold
- Credential
- D.O.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- OS6956 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1318 S Pine St, Melbourne, FL 32901
- Phone
- (321) 952-9500
- Enumerated
- Sep 8, 2005
- Record last updated
- Sep 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (321) 952-2299
- Medicaid ID
- 070207200 FL
- Medicare enrollment
- Enrolled (PECOS I20040323000818); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 412 in Florida → Look up another NPI →
Also registered at 1318 S Pine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wesley Foster, M.D.Obstetrics & Gynecology Physician1942294418
Verify Diane Hermanie Mainwold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS6956Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average gynecology physician in 2024
151 Medicare Part D claims for 50 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Estradiol40 claims
- Progesterone21 claims
- Alendronate Sodium13 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 practice group's MIPS final score for 2023 (Medicare payment program): 89.7 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).
Industry payments in 2024: $147.66
8 payments; by number, the most common kind was food and beverage; the largest payer was Mayne Pharma Commercial LLC. The 1,398 providers of this specialty with any payment received $2,469.88 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
- Florida Woman Care LLCMelbourne, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Hermanie Mainwold among 412 gynecology physician records in Florida
Diane Hermanie Mainwold, D.O. is one of 412 gynecology physician records with a practice address in Florida. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 79% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1990 · median 1992 among the 198 with a school on file
- Record last updated2014 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in Florida
There are 412 gynecology physician records in Florida.
All 412 in Florida → Every provider in Melbourne → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Victor Benezra, MDMelbourne, FL 329011235122896
- Marshall Bovelsky, M.D.Melbourne, FL 329011790730646
- Mark McTammany, M.D.Melbourne, FL 329011265434211
- Carlos Oliveira, MDMelbourne, FL 329011588648687
- Patricia Zylman, M.D.Melbourne, FL 329011518953348
- Danielle Boucher, M.D.Indialantic, FL 329031508850504
- Esther Clayton, MDMelbourne, FL 329351568436277
- Regina Kaufmann, M.D.Indian Harbour Beach, FL 329371356575252
Common questions
What is Diane Hermanie Mainwold, D.O.'s NPI number?
Diane Hermanie Mainwold, D.O.'s National Provider Identifier (NPI) is 1659365401, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Diane Hermanie Mainwold, D.O. located?
The NPPES record lists a practice address at 1318 S Pine St, Melbourne, FL, 32901. Phone: (321) 952-9500. Providers update this record themselves, so call before visiting.
How can I verify Diane Hermanie Mainwold, D.O.'s license?
NPPES lists Florida license number OS6956, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diane Hermanie Mainwold, D.O. prescribe under Medicare Part D?
In 2024, Diane Hermanie Mainwold, D.O. had 151 Medicare Part D claims for 50 beneficiaries; the average among gynecology physician prescribers was 299. Part D covers Medicare prescriptions only.
What is Diane Hermanie Mainwold, D.O.'s MIPS final score?
The 2023 MIPS final score is 89.7 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.