NPPES file of Aug 9, 2026

Mary L. Christian, FNP

Family Nurse Practitioner · Johnson City, TN

Mary L. Christian, FNP is a family nurse practitioner with a practice address in Johnson City, Tennessee, and NPI 1235230871, issued on Sep 26, 2006. Check the license (Tennessee 12269, as entered in NPPES) with the Tennessee 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
1235230871
Name
Mary L. Christian
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
12269 TN
Self-reported in NPPES; status is on the state search
Practice location
119 Boone Ridge Dr, Johnson City, TN 37615
Phone
(423) 282-1480
Enumerated
Sep 26, 2006
Record last updated
Oct 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(423) 928-1353
Medicaid ID
3343799 TN
Medicare enrollment
Enrolled (PECOS I20070316000101); 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 119 Boone Ridge Dr

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

  1. Benedict Aimua, MDInternal Medicine Physician1962674424
  2. Erin Carner, FNPFamily Nurse Practitioner1285052209
  3. Laura Casey, D.N.P.Psychiatric/Mental Health Nurse Practitioner1790230183
  4. Jose Casiano, PH.D.Clinical Psychologist1609966092
  5. Gordon Coburn, APRN, BCPsychiatric/Mental Health Nurse Practitioner1396810529
  6. Stacey Collins, APNFamily Nurse Practitioner1871563981

Verify Mary L. Christian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 12269    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 Tennessee 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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64% fewer Medicare Part D claims than the average family nurse practitioner in 2024

464 Medicare Part D claims for 193 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 27 claims were for opioids.

  1. Mary Christian464
  2. Specialty average1,305

Most prescribed

  1. Cefdinir48 claims
  2. Prednisone28 claims
  3. Pantoprazole Sodium25 claims
  4. Amlodipine Besylate21 claims
  5. Oxycodone Hcl16 claims
  6. Cefuroxime14 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.

Bills Medicare through one group practice

  1. Hospital Medicine Services OF Tennessee PCOak Ridge, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

350 family nurse practitioner records list a practice address in Johnson City

They are 350 of the 3,807 NPPES records with a practice address in Johnson City, and 9,060 family nurse practitioner records in Tennessee.

All 350 in Johnson City → All 9,060 in Tennessee → Every provider in Johnson City →

Other family nurse practitioner records in Tennessee

  1. Benjamin Aaron, FNP-CCookeville, TN1811454077
  2. Sandra Aaron, FNP-BCOoltewah, TN1801561964
  3. Jessica Abbott, FNPNashville, TN1801537287
  4. Felecia Abdelfattah, APRN BCBristol, TN1497768451
  5. Angela Abdi, MSN,FNP,BCNashville, TN1780795450
  6. Hodan Abdi, NPNashville, TN1710383922
  7. Amed Abdullah, FNP-CNashville, TN1477218774
  8. Dilmon Abdullah, NPAntioch, TN1467876821
  9. Redor AbdullahNashville, TN1205344009
  10. Shams Abed, FNP-BCAshland City, TN1982334884

Common questions

What is Mary L. Christian, FNP's NPI number?

Mary L. Christian, FNP's National Provider Identifier (NPI) is 1235230871, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary L. Christian, FNP located?

The NPPES record lists a practice address at 119 Boone Ridge Dr, Johnson City, TN, 37615. Phone: (423) 282-1480. Providers update this record themselves, so call before visiting.

How can I verify Mary L. Christian, FNP's license?

NPPES lists Tennessee license number 12269, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Mary L. Christian, FNP prescribe under Medicare Part D?

In 2024, Mary L. Christian, FNP had 464 Medicare Part D claims for 193 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.