DR. NATHANIEL CLIFFORD KLEIN M.D., M.B.A., M.S.
NPI 1780949297
Obstetrics & Gynecology in Morristown, TN

Active since July 10, 2012PECOS EnrolledAccepts Medicare Assignment
609 MCFARLAND ST, MORRISTOWN, TN 37814(423) 492-7125 Get Directions Write a Review

NPPES record last updated: June 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 7, 2026, Oct 3, 2024, Jan 27, 2022 and 2 more (5 updates tracked since 2019).

About Dr. Nathaniel Clifford Klein M.d., M.b.a., M.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NATHANIEL CLIFFORD KLEIN M.D., M.B.A., M.S. (NPI 1780949297) is an individual obstetrics & gynecology provider in Morristown, Tennessee, licensed in Tennessee (60789) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1780949297
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. NATHANIEL CLIFFORD KLEINCredential: M.D., M.B.A., M.S.
Location Address609 MCFARLAND STMorristown, TN 37814-3976
Mailing Address609 Mcfarland StreetKnoxville, TN 37995-0001 · (423) 492-7125
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateJuly 10, 2012
Last NPPES UpdateJune 7, 20265 updates tracked since enumeration
NPPES CertifiedJune 7, 2026
NPI 1780949297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in TN · 60789
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X · License MD0000060789 (TN)
609 MCFARLAND ST, Morristown, TN 37814

Secondary Practice Locations 2

Location 11440 Cedar LnTullahoma, TN 37388-2485 · Phone (615) 322-5000
Location 21919 Charlotte Ave Ste 101Nashville, TN 37203-2240 · Phone (615) 341-4419 · Fax (615) 341-4466

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Nathaniel Clifford Klein M.d., M.b.a., M.s. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466750708
PECOS Enrollment IDI20200507002078
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440039
Location1211 Medical Center DriveNashville, TN 37232 · Davidson County
Emergency services Birthing friendly

Vanderbilt Tullahoma-Harton Hospital

Acute Care Hospitals · Tullahoma, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number440144
Location1801 N Jackson St Box 460Tullahoma, TN 37388 · Coffee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37814 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
609 MCFARLAND ST
MORRISTOWN, TN 37814
Nurse Practitioner
609 MCFARLAND ST
MORRISTOWN, TN 37814
Advanced Practice Midwife
609 MCFARLAND ST
MORRISTOWN, TN 37814
Obstetrics & Gynecology
609 MCFARLAND ST
MORRISTOWN, TN 37814
Obstetrics & Gynecology
609 MCFARLAND ST
MORRISTOWN, TN 37814
Clinic/Center (Primary Care)
609 MCFARLAND ST
MORRISTOWN, TN 37814
Obstetrics & Gynecology
609 MCFARLAND ST
MORRISTOWN, TN 37814
Internal Medicine
609 MCFARLAND ST
MORRISTOWN, TN 37814

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nathaniel Klein's NPI number?

The NPI number for Nathaniel Klein is 1780949297. It was assigned to this individual provider in the NPPES registry on July 10, 2012.

Where is Nathaniel Klein located?

Nathaniel Klein practices at 609 Mcfarland St, Morristown, TN 37814. The listed phone number is (423) 492-7125.

What is Nathaniel Klein's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Nathaniel Klein enrolled in Medicare?

Yes. Nathaniel Klein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Nathaniel Klein accept?

Health plans from Alliant Health Plans, Inc., BlueCross BlueShield of Tennessee and Oscar Insurance Company list Nathaniel Klein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nathaniel Klein affiliated with any hospitals?

According to CMS data, Nathaniel Klein is affiliated with Vanderbilt University Medical Center and Vanderbilt Tullahoma-Harton Hospital.

When was this NPI record last updated?

The NPPES record for Nathaniel Klein was last updated on June 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.