Nathaniel Clifford Klein, M.D., M.B.A., M.S.
Obstetrics & Gynecology Physician · Morristown, TN
Nathaniel Clifford Klein, M.D., M.B.A., M.S. is an obstetrics & gynecology physician with a practice address in Morristown, Tennessee, and NPI 1780949297, issued on Jul 10, 2012. Check the license (Tennessee 60789, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Clifford Klein
- Credential
- M.D., M.B.A., M.S.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 60789 TN
MD0000060789 TN
Self-reported in NPPES; status is on the state search - Practice location
- 609 Mcfarland St, Morristown, TN 37814
- Phone
- (423) 492-7125
- Enumerated
- Jul 10, 2012
- Record last updated
- Aug 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20200507002078); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 815 in Tennessee → Look up another NPI →
Also registered at 609 Mcfarland St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Clark, M.D.Obstetrics & Gynecology Physician1396743951
- Frank Ellis, M.D.Obstetrics & Gynecology Physician1275531980
- Pamela Holt, CRNPObstetrics & Gynecology Nurse Practitioner1972584951
- Amanda Horn, CNMAdvanced Practice Midwife1184304362
- Christian Lansing, M.D.Internal Medicine Physician1568603512
- Heather Mischlich, CNMAdvanced Practice Midwife1902775638
Verify Nathaniel Clifford Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 60789Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
13 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $68.73
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Vanderbilt Integrated Providers LLCTullahoma, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel Clifford Klein among 815 obstetrics & gynecology physician records in Tennessee
Nathaniel Clifford Klein, M.D., M.B.A., M.S. 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 2012, is newer than 73% of them.
- NPI issued2012 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2012 · median 2005 among the 522 with a school on file
- Record last updated2026 · 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 Morristown → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Craig Anderson, M.D.Morristown, TN 378141972501534
- Peter Clark, M.D.Morristown, TN 378141396743951
- Frank Ellis, M.D.Morristown, TN 378141275531980
- Marilyn Gordon, M.D.Morristown, TN 378141184620270
- Helen Sandland, M.D.Morristown, TN 378141205939782
- John Williamson, M.D.Morristown, TN 378141518025816
- Kim Brooks, MDMorristown, TN 378131770554578
- James Patenge, DOMorristown, TN 378131467404293
Common questions
What is Nathaniel Clifford Klein, M.D., M.B.A., M.S.'s NPI number?
Nathaniel Clifford Klein, M.D., M.B.A., M.S.'s National Provider Identifier (NPI) is 1780949297, issued on Jul 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Clifford Klein, M.D., M.B.A., M.S. located?
The NPPES record lists a practice address at 609 Mcfarland St, Morristown, TN, 37814. Phone: (423) 492-7125. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Clifford Klein, M.D., M.B.A., M.S.'s license?
NPPES lists Tennessee license number 60789, 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 Nathaniel Clifford Klein, M.D., M.B.A., M.S. prescribe under Medicare Part D?
In 2024, Nathaniel Clifford Klein, M.D., M.B.A., M.S. had 13 Medicare Part D claims; 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.