Dr. Crystal Antrease Maxwell, MD
- Part D claims, 2026
- 605
- Industry payments
- $187
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 6 Barnett Drive, Sumter, SC 29150
- Practice phone
- Call (803) 778-2442
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sandhills Medical - Sumter
FQHC - Main Site · Sumter, South Carolina
Find Dr. Maxwell's 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. Crystal Antrease Maxwell is a family medicine physician in Sumter, South Carolina
Dr. Maxwell practices at Sandhills Medical - Sumter in Sumter, South Carolina.
Dr. Maxwell's NPI, 1215061437, was assigned on March 16, 2007. Dr. Maxwell holds South Carolina license 32570.
- NPI
- 1215061437NPI Registry (opens in a new tab)
- NPI enumeration date
- March 16, 2007
- NPI status
- Active
- Practice phone
- (803) 778-2442
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Crystal Antrease Maxwell practices at 2 locations in Sumter, South Carolina
Dr. Maxwell's primary practice is Sandhills Medical - Sumter, at 6 Barnett Drive, Sumter, SC 29150 in Sumter County. The practice phone is (803) 778-2442. Dr. Maxwell also practices at Sandhills Medical Foundation, Inc., 425 N Salem Ave, Sumter, SC 29150.
- Sandhills Medical - SumterPrimary6 Barnett Drive, Sumter, SC 29150 · Sumter CountyPhone(803) 778-2442
- Sandhills Medical Foundation, Inc.425 N Salem Ave, Sumter, SC 29150 · Sumter CountyPhone(803) 778-2442
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Crystal Antrease Maxwell is affiliated with 1 site of care and 1 medical group
Dr. Maxwell's primary practice is Sandhills Medical - Sumter in Sumter, South Carolina. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Crystal Antrease Maxwell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maxwell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sandhills Medical - Sumter | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Crystal Antrease Maxwell is one of 2,356 family medicine physicians in South Carolina
Family medicine is Dr. Maxwell's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Maxwell's licenses on file in 2 states: South Carolina and Tennessee.
Specialties and state licenses
- Family medicine, South CarolinaPrimary
- Tennessee license
Family medicine physicians near Dr. Maxwell
Counts of family 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. Crystal Antrease Maxwell's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Maxwell's median patient age at 58, with 60% women.
Dr. Maxwell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Crystal Antrease Maxwell wrote 605 Medicare Part D claims in 2026
In 2026, Dr. Maxwell wrote 605 Medicare Part D claims for 21 patients. 87% of them were for generic drugs. CMS names the drug for 351 of them, across 20 drugs with 11 or more claims each, at $44,249 in total drug cost. In 2023, CMS named 180 claims across 11 drugs.
Dr. Maxwell's Part D claims by kind of drug, 2026
- Generic526 claims87%
- Brand-name and other79 claims13%
Dr. Maxwell's 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. Maxwell's Part D claims, 2026
- Opioids10%58 of 605 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: 1802024: 35195%
Drugs named by CMS: 20 in 2024, 11 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), 2026 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Crystal Antrease Maxwell received $187 in industry payments from 2017 to 2025
CMS Open Payments shows 10 general payments to Dr. Maxwell from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Lundbeck LLC paid the most, $97.
General payments to Dr. Maxwell by program year, 2017 to 2025
Companies that paid Dr. Maxwell the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Crystal Antrease Maxwell'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Crystal Antrease Maxwell
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. Crystal Antrease Maxwell's NPI number?
Dr. Crystal Antrease Maxwell's NPI number is 1215061437. It was assigned on March 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Crystal Antrease Maxwell?
Dr. Crystal Antrease Maxwell is a family medicine physician in Sumter, South Carolina. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Crystal Antrease Maxwell practice?
Dr. Maxwell practices at 6 Barnett Drive, Sumter, SC 29150. Dr. Maxwell also practices at 425 N Salem Ave, Sumter, SC 29150. Dr. Maxwell's primary practice is Sandhills Medical - Sumter in Sumter, South Carolina.
What is Dr. Crystal Antrease Maxwell's office phone number?
The practice phone on file for Dr. Maxwell is (803) 778-2442. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Crystal Antrease Maxwell's email address?
Dmand AI checks professional and personal email addresses for Dr. Maxwell through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Crystal Antrease Maxwell's medical license number?
Dr. Maxwell holds South Carolina license 32570, one of the licenses on file in 2 states.
Which states has Dr. Crystal Antrease Maxwell been licensed in?
Dmand AI has state licenses on file for Dr. Maxwell in South Carolina and Tennessee.
What medical group is Dr. Crystal Antrease Maxwell part of?
Dr. Maxwell is linked to Southern California Permanente Medical Group.
Who does Dr. Crystal Antrease Maxwell practice with?
Dmand AI links 17,030 HCPs to Dr. Maxwell's primary medical group, 1,815 of them family medicine physicians. A free account lists them, with verified contacts.
What drugs does Dr. Crystal Antrease Maxwell prescribe most?
In 2024 Medicare Part D data, Dr. Maxwell's most prescribed drugs by claims were Gabapentin, Hydrocodone-Acetaminophen and Ibuprofen.
Show 3 more questionsShow fewer questions
Has Dr. Crystal Antrease Maxwell received payments from drug or device companies?
CMS Open Payments shows $187 in general payments to Dr. Maxwell from 6 companies from 2017 to 2025. The largest total came from Lundbeck LLC.
How long has Dr. Crystal Antrease Maxwell been practicing?
Dr. Maxwell's NPI was assigned in 2007.
What EHR does Dr. Crystal Antrease Maxwell's practice use?
Dmand AI tracks the EHR system at Sandhills Medical - Sumter. The vendor and product are available with a free Dmand AI account.
Selling to family medicine practices?
See family medicine physicians in South Carolina by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card