Registry data as of Aug 27, 2026

Mary Keller, RN, NP

Family Nurse Practitioner · Linthicum Heights, MD

Mary Keller, RN, NP is a family nurse practitioner with a practice address in Linthicum Heights, Maryland, and NPI 1073678033, issued on Dec 27, 2006. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1073678033
Name
Mary Keller
Credential
RN, NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
091099 MO
Self-reported in NPPES; status is on the state search
Practice location
Mary Keller, Linthicum Heights, MD 21090
Phone
(417) 379-7253
Enumerated
Dec 27, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mary Keller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck 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 Maryland 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.

87% fewer Medicare Part D claims than the average family nurse practitioner in 2024

166 Medicare Part D claims for 40 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Mary Keller166
  2. Specialty average1,302

Most prescribed

  1. Ipratropium-Albuterol18 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: $24.23

1 payment, mostly food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc.. The 91,435 providers of this specialty with any payment received $675.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Keller$24.23
  2. Specialty average$675.31

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

7 family nurse practitioner records list a Linthicum Heights practice address

They are 7 of the 65 NPPES records with a Linthicum Heights practice address, and 3,908 family nurse practitioner records in Maryland.

Other family nurse practitioner records in Maryland

  1. Kanisha AaronOwings Mills, MD1518565324
  2. Nicole Aaron, CRNPQueenstown, MD1538916093
  3. Naomi Abaga, CRNPBaltimore, MD1871054494
  4. Kristen Abbott, CRNPBerlin, MD1700597382
  5. Mark Abbott, FNPElkridge, MD1013452549
  6. Nabila Abdulwahab, CRNPBowie, MD1629341375
  7. Leila Abedi, CRNP-FGaithersburg, MD1699091603
  8. Hayat Aberra, NP-CEdgewater, MD1295275774
  9. Pamela Abina, CRNPColumbia, MD1154709335
  10. Ifedayo Abiola-Matthew, CRNPBaltimore, MD1033781117

Common questions

What is Mary Keller, RN, NP's NPI number?

Mary Keller, RN, NP's National Provider Identifier (NPI) is 1073678033, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Keller, RN, NP located?

The NPPES record lists a practice address at Mary Keller, Linthicum Heights, MD, 21090. Phone: (417) 379-7253. Providers update this record themselves, so call before visiting.

How can I verify Mary Keller, RN, NP's license?

Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Keller, RN, NP prescribe under Medicare Part D?

In 2024, Mary Keller, RN, NP had 166 Medicare Part D claims for 40 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.