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Dr. John R. Semmer, MD

  • Jefferson City, TN
  • OB-GYN
NPI1508883000
Affiliated sites
1
State license
1
Year NPI issued
2006
Practice address
120 Hospital Dr, Jefferson City, TN 37760-5279
Practice phone
Call (865) 471-2644
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

St Marys Obgyn LLC

Physician office · Jefferson City, Tennessee

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Dr. John R. Semmer is an OB-GYN in Jefferson City, Tennessee

Dr. Semmer practices at St Marys Obgyn LLC in Jefferson City, Tennessee.

Dr. Semmer's NPI, 1508883000, was assigned on July 17, 2006. Dr. Semmer holds Tennessee license MD 6339.

NPI and contact details
NPI
1508883000NPI Registry (opens in a new tab)
NPI enumeration date
July 17, 2006
NPI status
Active
Practice phone
(865) 471-2644
Professional email
Get email
Personal email
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Mobile number
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Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. John R. Semmer practices at St Marys Obgyn LLC in Jefferson City, Tennessee

Dr. Semmer's primary practice is St Marys Obgyn LLC, at 120 Hospital Dr, Jefferson City, TN 37760-5279. The practice phone is (865) 471-2644.

  • St Marys Obgyn LLC
    120 Hospital Dr, Jefferson City, TN 37760-5279Phone(865) 471-2644

Source: Dmand AI Affiliation Data

Dr. John R. Semmer is affiliated with 1 site of care

Dr. Semmer's primary practice is St Marys Obgyn LLC in Jefferson City, Tennessee.

St Marys Obgyn LLCPhysician office · Jefferson City, TennesseePrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John R. Semmer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Semmer practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St Marys Obgyn LLCAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John R. Semmer is one of 765 OB-GYNs in Tennessee

Obstetrics and gynecology is Dr. Semmer's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Semmer is licensed in Tennessee.

Specialties and state licenses

  • Obstetrics and gynecology, TennesseePrimaryLicense MD 6339 · taxonomy 207V00000X

OB-GYNs near Dr. Semmer

Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.

765OB-GYNs in Tennessee
2OB-GYNs in Jefferson City

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Sources for Dr. John R. Semmer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John R. Semmer

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John R. Semmer's NPI number?

Dr. John R. Semmer's NPI number is 1508883000. It was assigned on July 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John R. Semmer?

Dr. John R. Semmer is an OB-GYN in Jefferson City, Tennessee. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. John R. Semmer practice?

Dr. Semmer practices at 120 Hospital Dr, Jefferson City, TN 37760-5279. Dr. Semmer's primary practice is St Marys Obgyn LLC in Jefferson City, Tennessee.

What is Dr. John R. Semmer's office phone number?

The practice phone on file for Dr. Semmer is (865) 471-2644.

What is Dr. John R. Semmer's medical license number?

Dr. Semmer holds Tennessee license MD 6339.

How long has Dr. John R. Semmer been practicing?

Dr. Semmer's NPI was assigned in 2006.

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