Marianne Davis, D.O.
Obstetrics & Gynecology Physician · Johnson City, NY
Marianne Davis, D.O. is an obstetrics & gynecology physician with a practice address in Johnson City, New York, and NPI 1669504122, issued on Mar 11, 2007. Check the license (New York 265514-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Marianne Davis
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 265514-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 401 Main St Ste 1, Johnson City, NY 13790
- Phone
- (607) 754-9870
- Enumerated
- Mar 11, 2007
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (607) 785-9862
- Medicaid ID
- 3487189 NY
- Medicare enrollment
- Enrolled (PECOS I20120730000769); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2006
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 401 Main St Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tamara Burger, CNMAdvanced Practice Midwife1205873387
- Karen Castoro, FNPFamily Nurse Practitioner1306807896
- Amy Hawley, NPFamily Nurse Practitioner1962014886
- Carol Miller, MDObstetrics & Gynecology Physician1568423028
- Melodye Onysko, NP/CNMAdult Health Nurse Practitioner1346290848
- Kelly Wilmarth, C-FNPNurse Practitioner1588072474
Verify Marianne Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 265514-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
28 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 81.3 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).
Industry payments in 2024: $32.77
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Our Lady OF Lourdes Memorial Hospital IncVestal, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marianne Davis among 3,174 obstetrics & gynecology physician records in New York
Marianne Davis, D.O. is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 41% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2006 · median 2002 among the 1,870 with a school on file
- Record last updated2018 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 obstetrics & gynecology physician records list a practice address in Johnson City
They are 16 of the 949 NPPES records with a practice address in Johnson City, and 3,174 obstetrics & gynecology physician records in New York.
All 3,174 in New York → Every provider in Johnson City → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Dhruv Agneshwar, M.DJohnson City, NY 137901417922790
- Liliane El-Kassis, MDJohnson City, NY 137901083723043
- Iskandar Kassis, MDJohnson City, NY 137901861450496
- Bai Lee, MDJohnson City, NY 137901821058660
- Domenico Leuci, MDJohnson City, NY 137901851352058
- Carol Miller, MDJohnson City, NY 137901568423028
- Erin Miller, D.O.Johnson City, NY 137901811263890
- Mohsen Naassana, M.D.Johnson City, NY 137901649351289
Common questions
What is Marianne Davis, D.O.'s NPI number?
Marianne Davis, D.O.'s National Provider Identifier (NPI) is 1669504122, issued on Mar 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marianne Davis, D.O. located?
The NPPES record lists a practice address at 401 Main St Ste 1, Johnson City, NY, 13790. Phone: (607) 754-9870. Providers update this record themselves, so call before visiting.
How can I verify Marianne Davis, D.O.'s license?
NPPES lists New York license number 265514-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marianne Davis, D.O. prescribe under Medicare Part D?
In 2024, Marianne Davis, D.O. had 28 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Marianne Davis, D.O.'s MIPS final score?
The 2023 MIPS final score is 81.3 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.