Samuel Hardin Nieman, PA

  • Saint Louis, MO
  • Physician assistant
NPI1467344549PAC ID0749775757
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2025
Practice locations
2
Practice address
One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
Practice phone
Call (314) 747-3000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Barnes-Jewish Hospital

Hospital · Saint Louis, Missouri

See all 3 affiliations

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Samuel Hardin Nieman is a physician assistant in Saint Louis, Missouri

Samuel Nieman practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.

Samuel Nieman's NPI, 1467344549, was assigned on July 15, 2025. Samuel Nieman holds Missouri license 2025037850.

NPI and contact details
Medicare PAC ID
0749775757
NPI enumeration date
July 15, 2025
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 747-3000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
27
Medical school graduation
2025

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Samuel Hardin Nieman practices at 2 locations in Saint Louis, Missouri

Samuel Nieman's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Samuel Nieman also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.

  • Barnes-Jewish HospitalPrimary
    One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
  • Barnes-Jewish Hospital
    1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Samuel Hardin Nieman is affiliated with 2 sites of care and 1 medical group

Samuel Nieman's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Samuel Nieman to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Samuel Nieman

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Samuel Hardin Nieman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Samuel Nieman practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Barnes-Jewish HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Samuel Hardin Nieman is one of 1,484 physician assistants in Missouri

Physician assistant is Samuel Nieman's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Samuel Nieman is licensed in Missouri.

Specialties and state licenses

  • Physician assistant, MissouriPrimaryLicense 2025037850 · taxonomy 363A00000X

Physician assistants near Samuel Nieman

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

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

Samuel Hardin Nieman's patients have a median age of 69

Across all payers, Dmand AI patient panel data puts Samuel Nieman's median patient age at 69, with 41% women.

Samuel Nieman's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women41%
  • Men59%

Source: Dmand AI Patient Panel Data

How Samuel Hardin Nieman takes part in Medicare

Samuel Nieman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for Samuel Hardin Nieman'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Samuel Hardin Nieman

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

What is Samuel Hardin Nieman's NPI number?

Samuel Hardin Nieman's NPI number is 1467344549. It was assigned on July 15, 2025, and it is active in the NPI Registry.

What does Samuel Hardin Nieman specialize in?

Samuel Hardin Nieman is a physician assistant in Saint Louis, Missouri. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Samuel Hardin Nieman practice?

Samuel Nieman practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Samuel Nieman also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Samuel Nieman's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Samuel Nieman to 1 group practice or clinic.

What is Samuel Hardin Nieman's office phone number?

The practice phone on file for Samuel Nieman is (314) 747-3000.

What is Samuel Hardin Nieman's medical license number?

Samuel Nieman holds Missouri license 2025037850.

Which hospitals is Samuel Hardin Nieman affiliated with?

Samuel Nieman practices at Barnes-Jewish Hospital in Saint Louis, Missouri.

What medical group is Samuel Hardin Nieman part of?

Samuel Nieman is linked to WashU Medicine Psychiatry.

Does Samuel Hardin Nieman accept Medicare?

Yes. CMS lists Samuel Nieman as accepting Medicare assignment.

How long has Samuel Hardin Nieman been practicing?

Samuel Nieman graduated from medical school in 2025, 1 years ago.

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