NPPES file of Aug 9, 2026

Marilyn Theresa Davies, NP-C

Primary Care Nurse Practitioner · Euclid, OH

Marilyn Theresa Davies, NP-C is a primary care nurse practitioner with a practice address in Euclid, Ohio, and NPI 1407087182, issued on Jul 29, 2009. Check the license (Ohio COA10823, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407087182
Name
Marilyn Theresa Davies
Credential
NP-C
Primary taxonomy
Primary Care Nurse Practitioner 363LP2300X
License number
COA10823 OH
Self-reported in NPPES; status is on the state search
Practice location
27900 Euclid Ave, Euclid, OH 44132
Phone
(216) 731-7110
Enumerated
Jul 29, 2009
Record last updated
Mar 20, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(216) 731-7130
Medicaid ID
3011896 OH
Medicare enrollment
Enrolled (PECOS I20091118000004); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 27900 Euclid Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nakisha Adams, CNPAdult Health Nurse Practitioner1881129187
  2. Andrew Brobbey, MDInternal Medicine Physician1679554877
  3. Elizabeth Newsome, PAPhysician Assistant1144587262
  4. Kathleen Rogers, MDInternal Medicine Physician1881940591
  5. Marisa Studio, PA-CPhysician Assistant1942781919

Verify Marilyn Theresa Davies in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license COA10823
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024

291 Medicare Part D claims for 124 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. 82 claims were for opioids.

  1. Marilyn Davies291
  2. Specialty average1,492

Most prescribed

  1. Amoxicillin-Clavulanate Potass65 claims
  2. Oxycodone Hcl65 claims
  3. Tramadol Hcl15 claims
  4. Ciprofloxacin Hcl12 claims
  5. Doxycycline Hyclate11 claims
  6. Metoprolol Tartrate11 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.

One hospital affiliation

  1. Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Marilyn Theresa Davies among 498 primary care nurse practitioner records in Ohio

Marilyn Theresa Davies, NP-C is one of 498 primary care nurse practitioner records with a practice address in Ohio. 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 2009, is newer than 7% of them.

  • NPI issued2009 · 7% of these records are older, 91% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2009 · median 2019 among the 278 with a school on file
  • Record last updated2015 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Primary Care Nurse Practitioner providers in Ohio

There are 498 primary care nurse practitioner records in Ohio.

The 8 primary care nurse practitioner records with the nearest ZIP codes

  1. Laberta Arnold, MSN, AGPCNP-BCIndependence, OH 441311154006500
  2. Haley GerstenIndependence, OH 441311578312823
  3. Marianna Lanigan, MSN, APRN, A-GNP-CIndependence, OH 441311932732492
  4. Doris O'Reilly-Dillon, NP-CIndependence, OH 441311699052399
  5. Melanie TranIndependence, OH 441311962066712
  6. Renee Wright, CNPIndependence, OH 441311891167631
  7. Carrie Astrab, CNPParma, OH 441341497271654
  8. Julius Ayamba, NURSE PRACTITIONERParma, OH 441301740997147

Common questions

What is Marilyn Theresa Davies, NP-C's NPI number?

Marilyn Theresa Davies, NP-C's National Provider Identifier (NPI) is 1407087182, issued on Jul 29, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Marilyn Theresa Davies, NP-C located?

The NPPES record lists a practice address at 27900 Euclid Ave, Euclid, OH, 44132. Phone: (216) 731-7110. Providers update this record themselves, so call before visiting.

How can I verify Marilyn Theresa Davies, NP-C's license?

NPPES lists Ohio license number COA10823, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does Marilyn Theresa Davies, NP-C prescribe under Medicare Part D?

In 2024, Marilyn Theresa Davies, NP-C had 291 Medicare Part D claims for 124 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.