Mary Jean Keller, RN, NP
Family Nurse Practitioner · Linthicum Heights, MD
Mary Jean 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.
- Name
- Mary Jean 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
- Record last updated
- Jun 10, 2024
- Fax
- (844) 464-0583
- Medicaid IDs
- 171101758 AR
1073678033 MO - Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Verify Mary Jean Keller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- 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: food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Mary Jean Keller among 4,124 family nurse practitioner records in Maryland
Mary Jean Keller, RN, NP 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 93% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2024 · 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).
8 family nurse practitioner records list a practice address in Linthicum Heights
They are 8 of the 65 NPPES records with a practice address in Linthicum Heights, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Linthicum Heights → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Leah Calderon, FNPLinthicum Heights, MD 210901285373175
- Hee Jung ChoiLinthicum Heights, MD 210901710695846
- Kathy Davis, C.R.N.P.Linthicum Heights, MD 210901104975622
- Maureen Fritz, CRNPLinthicum Heights, MD 210901184192619
- Sheriva Hunter, FNPLinthicum Heights, MD 210901295137842
- Mildred Kangkolo, FNPLinthicum Heights, MD 210901639754336
- Olabimpe Ojebode, NPLinthicum Heights, MD 210901790367571
- Bynisha Robertson, NPLinthicum, MD 210901033722525
Common questions
What is Mary Jean Keller, RN, NP's NPI number?
Mary Jean 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 Jean 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 Jean Keller, RN, NP's license?
Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Jean Keller, RN, NP prescribe under Medicare Part D?
In 2024, Mary Jean Keller, RN, NP had 166 Medicare Part D claims for 40 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.