Mary Emily Christiansen, M.D.
Obstetrics & Gynecology Physician · Knoxville, TN
Mary Emily Christiansen, M.D. is an obstetrics & gynecology physician with a practice address in Knoxville, Tennessee, and NPI 1831543644, issued on Apr 18, 2016. Check the license (Tennessee 0000061138, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary Emily Christiansen
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 0000061138 TN
Self-reported in NPPES; status is on the state search - Practice location
- 501 19TH St Ste 509, Knoxville, TN 37916
- Phone
- (865) 386-6508
- Enumerated
- Apr 18, 2016
- Record last updated
- Oct 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201015000709); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 815 in Tennessee → Look up another NPI →
Also registered at 501 19TH St Ste 509
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tanya Archer, FNP-CFamily Nurse Practitioner1043080328
- Blair Brandt, MDObstetrics & Gynecology Physician1902461262
- Diandra Stroney, APRNObstetrics & Gynecology Nurse Practitioner1154248896
Verify Mary Emily Christiansen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 0000061138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
62 Medicare Part D claims for 27 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone15 claims
- Estradiol12 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: $254.25
14 payments; by number, the most common kind was food and beverage; the largest payer was Exeltis, USA Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Bills Medicare through one group practice
- Fort Sanders Obstetrical And Gynecological Group, PCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Emily Christiansen among 815 obstetrics & gynecology physician records in Tennessee
Mary Emily Christiansen, M.D. is one of 815 obstetrics & gynecology physician records with a practice address in Tennessee. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2016 · median 2005 among the 522 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Tennessee
There are 815 obstetrics & gynecology physician records in Tennessee.
All 815 in Tennessee → Every provider in Knoxville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Tammy Baker, M.D.Knoxville, TN 379161407962558
- Roy Broady, M.D.Knoxville, TN 379161033130018
- Larry Fields, MDKnoxville, TN 379161538162896
- Brooke Foulk, MDKnoxville, TN 379161871787432
- Duy-Thu Martin, M.D.Knoxville, TN 379161912973066
- Frank McKeown III, MDKnoxville, TN 379161689626822
- Laura Moffat, MDKnoxville, TN 379161184645160
- Craig Myers, MDKnoxville, TN 379161831143551
Common questions
What is Mary Emily Christiansen, M.D.'s NPI number?
Mary Emily Christiansen, M.D.'s National Provider Identifier (NPI) is 1831543644, issued on Apr 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary Emily Christiansen, M.D. located?
The NPPES record lists a practice address at 501 19TH St Ste 509, Knoxville, TN, 37916. Phone: (865) 386-6508. Providers update this record themselves, so call before visiting.
How can I verify Mary Emily Christiansen, M.D.'s license?
NPPES lists Tennessee license number 0000061138, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Emily Christiansen, M.D. prescribe under Medicare Part D?
In 2024, Mary Emily Christiansen, M.D. had 62 Medicare Part D claims for 27 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.