Mary Ruth Miller, FNP-C
Family Nurse Practitioner · Oakland, MD
Mary Ruth Miller, FNP-C is a family nurse practitioner with a practice address in Oakland, Maryland, and NPI 1982108791, issued on Mar 19, 2018. Check the license (Maryland R190874, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Ruth Miller
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R190874 MD
Self-reported in NPPES; status is on the state search - Practice location
- 251 N 4TH St, Oakland, MD 21550
- Phone
- (301) 533-4000
- Enumerated
- Mar 19, 2018
- Record last updated
- Mar 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190607000033); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 251 N 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eugenia Artice, MSN, CRNP, FNP-COncology Registered Nurse1609585371
- Susan Bennett, FNP-CFamily Nurse Practitioner1205359981
- Kambrie Bosley, PA-CPhysician Assistant1083385512
- Luis Colon-Mulero, M.D.Family Medicine Physician1326401902
- Belinda CorbyPharmacy Technician1891651089
- Robert Coughlin, MDEmergency Medicine Physician1578516241
Verify Mary Ruth Miller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R190874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family nurse practitioner in 2024
235 Medicare Part D claims for 101 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass21 claims
- Doxycycline Hyclate16 claims
- Prednisone16 claims
- Pantoprazole Sodium13 claims
- Furosemide12 claims
- Ondansetron Hcl12 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): 70.9 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).
Bills Medicare through one group practice
- Specialty Physicians OF Garrett County, LLCOakland, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ruth Miller among 4,124 family nurse practitioner records in Maryland
Mary Ruth Miller, FNP-C is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 43% of them.
- NPI issued2018 · 43% of these records are older, 50% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2019 among the 2,370 with a school on file
- Record last updated2020 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 family nurse practitioner records list a practice address in Oakland
They are 33 of the 304 NPPES records with a practice address in Oakland, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Oakland → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Susan Bennett, FNP-COakland, MD 215501205359981
- Linda Bonnette, CRNPOakland, MD 215501821082538
- Rachel Friend-Lantz, NP-COakland, MD 215501649562901
- Elyzabeth Goralski, CRNPOakland, MD 215501265884464
- Laurel Grant, CRNPOakland, MD 215501487750170
- Lori Gregory, CRNPOakland, MD 215501275086274
- Kenneth Hawk, NPOakland, MD 215501427047240
- Lawrence Knapp, CRNPOakland, MD 215501831563907
Common questions
What is Mary Ruth Miller, FNP-C's NPI number?
Mary Ruth Miller, FNP-C's National Provider Identifier (NPI) is 1982108791, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ruth Miller, FNP-C located?
The NPPES record lists a practice address at 251 N 4TH St, Oakland, MD, 21550. Phone: (301) 533-4000. Providers update this record themselves, so call before visiting.
How can I verify Mary Ruth Miller, FNP-C's license?
NPPES lists Maryland license number R190874, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Ruth Miller, FNP-C prescribe under Medicare Part D?
In 2024, Mary Ruth Miller, FNP-C had 235 Medicare Part D claims for 101 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Mary Ruth Miller, FNP-C's MIPS final score?
The 2023 MIPS final score is 70.9 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.