Marshall Poor, M.D.
NPI 1164405643 · Specialist · Bloomington, IN
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Poor, M.D. is a Specialist provider in Bloomington, IN (NPI 1164405643).
Provider details
- NPI number
- 1164405643
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- License
- 01039391 (IN)
Specialties & taxonomies
Other Service Providers
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
354 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 279 | $87 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 59 | $106 |
| Partial Removal of Spine Bone With Release of Lower Spinal Cord And/Or Nerves, 1 Segment63047 | 16 | $911 |
Typical Medicare-allowed amounts for these services range $87–$911 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 276 | 75 |
| Gabapentin | 130 | 39 |
| Tizanidine Hcl | 109 | 43 |
| Duloxetine Hcl | 93 | 32 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 89 | 19 |
| Clonazepam | 65 | 15 |
| Dexamethasone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-29
- Last updated
- 2026-05-10
Frequently asked questions
- What is Marshall Poor's NPI number?
- Marshall Poor's National Provider Identifier (NPI) is 1164405643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Poor's specialty?
- Marshall Poor is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Marshall Poor located?
- Marshall Poor's practice location on file with NPPES is 700 S College Ave, Bloomington, IN 47403-2500.
- What is Marshall Poor's phone number?
- The practice phone number listed in the NPPES registry for Marshall Poor is (812) 331-8168.
- Does Marshall Poor accept Medicare?
- Marshall Poor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Poor's NPI active?
- Yes — Marshall Poor's NPI (1164405643) is active in the NPPES registry as of the last update on 2026-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.