Charles Simmons, M.D.
NPI 1255451183 · Interventional Pain Medicine Physician · Annapolis, MD
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Simmons, M.D. is a Interventional Pain Medicine Physician provider in Annapolis, MD (NPI 1255451183).
Provider details
- NPI number
- 1255451183
- Entity type
- Individual
- Primary specialty
- Interventional Pain Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- DOO65044 (MD)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,559 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 191 | $125 |
| Insertion of Spinal Neurostimulator Electrode Array Through Skin63650 | 146 | $321 |
| Testing for Presence of Drug, By Chemistry Analyzers80307 | 116 | $60 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0481 | 112 | $152 |
| Electronic Analysis Reprogramming and Refill of Spinal Canal Drug Infusion Pump62369 | 80 | $36 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 256 | 123 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 75 | 73 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 57 | 34 |
| Gabapentin | 54 | 19 |
| Pregabalin | 41 | — |
| Clindamycin Hcl | 41 | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$10,919 across 216 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
Registry dates
- Enumerated
- 2007-04-02
- Last updated
- 2022-07-27
- Certified
- 2022-07-27
Frequently asked questions
- What is Charles Simmons's NPI number?
- Charles Simmons's National Provider Identifier (NPI) is 1255451183, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Simmons's specialty?
- Charles Simmons is listed in the NPPES registry with a primary specialty of Interventional Pain Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Simmons located?
- Charles Simmons's practice location on file with NPPES is 810 Bestgate Rd Ste 220, Annapolis, MD 21401-3648.
- What is Charles Simmons's phone number?
- The practice phone number listed in the NPPES registry for Charles Simmons is (855) 527-7246.
- Does Charles Simmons accept Medicare?
- Charles Simmons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Simmons's NPI active?
- Yes — Charles Simmons's NPI (1255451183) is active in the NPPES registry as of the last update on 2022-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.