Dr. Charles William Simmons, MD
- Medicare services, 2024
- 1,559
- Medicare patients, 2024
- 606
- Part D claims, 2024
- 971
- Industry payments
- $80,569
- Affiliated sites
- 2
- Practice address
- 810 Bestgate Rd, Annapolis, MD 21401
- Practice phone
- Call (855) 405-7100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Summit Ambulatory Surgical Center, LLC
Annapolis, Maryland
Find Dr. Simmons' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Charles William Simmons is an interventional pain medicine physician in Annapolis, Maryland
Dr. Simmons practices at Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland.
Dr. Simmons' NPI, 1255451183, was assigned on April 2, 2007. Dr. Simmons graduated from Howard University College of Medicine in 2003. Dr. Simmons holds Maryland license D0065044.
- NPI
- 1255451183NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143499558
- NPI enumeration date
- April 2, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (855) 405-7100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles William Simmons practices at Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland
Dr. Simmons' primary practice is Summit Ambulatory Surgical Center, LLC, at 810 Bestgate Rd, Annapolis, MD 21401 in Anne Arundel County. The practice phone is (855) 405-7100.
- Summit Ambulatory Surgical Center, LLC810 Bestgate Rd, Annapolis, MD 21401 · Anne Arundel CountyPhone(855) 405-7100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charles William Simmons is affiliated with 3 sites of care and 2 medical groups
Dr. Simmons' primary practice is Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland. The medical group on file is Clearway Pain Solutions. Dmand AI also links Dr. Simmons to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Charles William Simmons' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simmons practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summit Ambulatory Surgical Center, LLC | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles William Simmons is one of 52 interventional pain medicine physicians in Maryland
Interventional pain medicine is Dr. Simmons' primary specialty in the NPI Registry, under taxonomy code 208VP0014X. Dr. Simmons is licensed in Maryland.
Specialties and state licenses
- Interventional pain medicine, MarylandPrimary
Interventional pain medicine physicians near Dr. Simmons
Counts of interventional pain medicine physicians 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
Dr. Charles William Simmons billed Medicare for 1,559 services in 2024
CMS data shows 1,559 Medicare services from Dr. Simmons across 28 procedure codes in 2024, for 606 Medicare patients. Medicare paid $200,868 for them.
Dr. Simmons' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 9732024: 9882%
- Office and hospital visits
- 2023: 3012024: 24618%
- Other services
- 2023: 5422024: 14973%
- Lab and pathology
- 2023: 5212024: 11678%
- Imaging
- 2023: 432024: 6040%
- Tests and treatments
- 2023: 512024: 0100%
Where Dr. Simmons' Medicare services took place, 2024
- In an office47430%
- In a facility1,08570%
Dr. Simmons compared with the Maryland median for interventional pain medicine physicians, 2024
- Dr. Simmons
- Maryland median
- Medicare services
- 1,559vs 1,75411% below
- Medicare patients
- 606vs 34377% above
- Part D claims
- 811vs 7548% above
Medians across 51 interventional pain medicine physicians in Maryland with Dmand AI profiles that report each measure.
Dr. Simmons' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Simmons and other interventional pain medicine physicians in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles William Simmons treated 606 Medicare patients in 2024, average age 70
CMS counts 606 Medicare patients who saw Dr. Simmons in 2024. The largest group is 65 to 74, with 256 patients. 75% of them have arthritis, and 75% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Simmons' median patient age at 62, with 67% women.
Dr. Simmons' Medicare patients by age, 2024
Dr. Simmons' Medicare patients by sex, 2024
- Women41969%
- Men18731%
Chronic conditions among Dr. Simmons' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders46%
- Anxiety43%
- Depression42%
- Diabetes37%
- Ischemic heart disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simmons' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles William Simmons wrote 971 Medicare Part D claims in 2024
In 2024, Dr. Simmons wrote 971 Medicare Part D claims for 233 patients. 92% of them were for generic drugs. CMS names the drug for 811 of them, across 18 drugs with 11 or more claims each, at $36,932 in total drug cost. In 2023, CMS named 618 claims across 16 drugs.
Dr. Simmons' Part D claims by kind of drug, 2024
- Generic894 claims92%
- Brand-name77 claims8%
Dr. Simmons' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Simmons' Part D claims, 2024
- Opioids50%485 of 971 claims
- Antibiotics13%131 of 971 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6182024: 81131%
Drugs named by CMS: 18 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Charles William Simmons takes part in Medicare
Dr. Simmons 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)
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Dr. Charles William Simmons received $80,569 in industry payments from 2016 to 2025
CMS Open Payments shows 1,776 general payments to Dr. Simmons from 63 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 54% of the total. Abbott Laboratories paid the most, $17,118.
General payments to Dr. Simmons by program year, 2016 to 2025
General payments to Dr. Simmons by kind, 2016 to 2025
- Food and beverage$43,13454%
- Consulting fees$18,91623%
- Travel and lodging$10,55913%
- Speaker and faculty fees$5,9557%
- Other$2,0042%
Companies that paid Dr. Simmons the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles William Simmons graduated from Howard University College of Medicine
Dr. Simmons graduated from Howard University College of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Charles William Simmons's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Charles William Simmons
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. Charles William Simmons' NPI number?
Dr. Charles William Simmons' NPI number is 1255451183. It was assigned on April 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles William Simmons?
Dr. Charles William Simmons is an interventional pain medicine physician in Annapolis, Maryland. The primary specialty in the NPI Registry is Interventional Pain Medicine Physician (taxonomy code 208VP0014X).
Where does Dr. Charles William Simmons practice?
Dr. Simmons practices at 810 Bestgate Rd, Annapolis, MD 21401. Dr. Simmons' primary practice is Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland. Dmand AI also links Dr. Simmons to 2 group practices and clinics and 1 medical group.
What is Dr. Charles William Simmons' office phone number?
The practice phone on file for Dr. Simmons is (855) 405-7100.
What is Dr. Charles William Simmons' medical license number?
Dr. Simmons holds Maryland license D0065044.
What medical group is Dr. Charles William Simmons part of?
Dr. Simmons is linked to Clearway Pain Solutions. Dmand AI links Dr. Simmons to 1 more medical group.
Does Dr. Charles William Simmons accept Medicare?
Yes. CMS data shows Dr. Simmons billed Medicare for 1,559 services in 2024, and Dr. Simmons accepts Medicare assignment.
How many Medicare patients does Dr. Charles William Simmons see?
CMS counts 606 Medicare patients who saw Dr. Simmons in 2024, with an average age of 70.
What services does Dr. Charles William Simmons bill to Medicare?
In 2024, Dr. Simmons' most billed Medicare services were office visit, established patient (99214), surgery: brain, spine and nerves (63650) and lab and pathology test (80307).
Where did Dr. Charles William Simmons go to medical school?
Dr. Simmons graduated from Howard University College of Medicine in 2003.
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What drugs does Dr. Charles William Simmons prescribe most?
In 2024 Medicare Part D data, Dr. Simmons' most prescribed drugs by claims were Oxycodone HCl, Amoxicillin-Clavulanate Potass and Hydrocodone-Acetaminophen.
Has Dr. Charles William Simmons received payments from drug or device companies?
CMS Open Payments shows $80,569 in general payments to Dr. Simmons from 63 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Charles William Simmons been practicing?
Dr. Simmons graduated from medical school in 2003, 23 years ago.
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