Nathan Simmons, MD
NPI 1972529121 · Neurological Surgery Physician · Lebanon, NH
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Simmons, MD is a Neurological Surgery Physician provider in Lebanon, NH (NPI 1972529121).
Provider details
- NPI number
- 1972529121
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 11820 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
133 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 32 | $80 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 28 | $46 |
| Use of Operating Microscope69990 | 24 | $201 |
| Computer-Assisted Radiosurgery of Simple Growth of Brain, First Growth61796 | 20 | $957 |
| Computer-Assisted Procedure Inside Brain61781 | 17 | $228 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2026-01-08
- Certified
- 2026-01-08
Frequently asked questions
- What is Nathan Simmons's NPI number?
- Nathan Simmons's National Provider Identifier (NPI) is 1972529121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Simmons's specialty?
- Nathan Simmons is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Simmons located?
- Nathan Simmons's practice location on file with NPPES is 1 Medical Center Dr, Lebanon, NH 03756-0001.
- What is Nathan Simmons's phone number?
- The practice phone number listed in the NPPES registry for Nathan Simmons is (603) 650-5109.
- Does Nathan Simmons accept Medicare?
- Nathan Simmons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Simmons's NPI active?
- Yes — Nathan Simmons's NPI (1972529121) is active in the NPPES registry as of the last update on 2026-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.