Nathaniel Klein, M.D., M.B.A., M.S.
NPI 1780949297 · Obstetrics & Gynecology Physician · Morristown, TN
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Klein, M.D., M.B.A., M.S. is a Obstetrics & Gynecology Physician provider in Morristown, TN (NPI 1780949297).
Provider details
- NPI number
- 1780949297
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.B.A., M.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD0000060789 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 1919 Charlotte Ave Ste 101Nashville, TN 37203-2240Phone: (615) 341-4419Fax: (615) 341-4466
- 1440 Cedar LnTullahoma, TN 37388-2485Phone: (615) 322-5000
Registry dates
- Enumerated
- 2012-07-10
- Last updated
- 2026-06-07
- Certified
- 2026-06-07
Frequently asked questions
- What is Nathaniel Klein's NPI number?
- Nathaniel Klein's National Provider Identifier (NPI) is 1780949297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Klein's specialty?
- Nathaniel Klein is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Klein located?
- Nathaniel Klein's practice location on file with NPPES is 609 Mcfarland St, Morristown, TN 37814-3976.
- What is Nathaniel Klein's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Klein is (423) 492-7125.
- Does Nathaniel Klein accept Medicare?
- Nathaniel Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Klein's NPI active?
- Yes — Nathaniel Klein's NPI (1780949297) is active in the NPPES registry as of the last update on 2026-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.