Dr. Christopher M. Mahr, MD
- Medicare services, 2024
- 11,086
- Medicare patients, 2024
- 271
- Part D claims, 2024
- 10,709
- Hospital affiliations
- 1
- Industry payments
- $6,611
- Practice address
- 698 E Bultman Dr, Sumter, SC 29150
- Practice phone
- Call (803) 773-5227
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Colonial Family Practice
Sumter, South Carolina
Find Dr. Mahr'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. Christopher M. Mahr is a family medicine physician in Sumter, South Carolina
Dr. Mahr practices at Colonial Family Practice in Sumter, South Carolina.
Dr. Mahr's NPI, 1801880190, was assigned on September 1, 2005. Dr. Mahr holds South Carolina license 28038.
- NPI
- 1801880190NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709815970
- NPI enumeration date
- September 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (803) 773-5227
- 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. Christopher M. Mahr practices at Colonial Family Practice in Sumter, South Carolina
Dr. Mahr's primary practice is Colonial Family Practice, at 698 E Bultman Dr, Sumter, SC 29150 in Sumter County. The practice phone is (803) 773-5227.
- Colonial Family Practice698 E Bultman Dr, Sumter, SC 29150 · Sumter CountyPhone(803) 773-5227
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher M. Mahr is affiliated with 5 sites of care and 2 medical groups
Dr. Mahr's primary practice is Colonial Family Practice in Sumter, South Carolina. Dr. Mahr is also affiliated with Prisma Health Tuomey Hospital. The medical group on file is Prisma Health Medical Group-Midlands. Dmand AI also links Dr. Mahr to 2 more home health agencies, 1 group practice or clinic 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. Christopher M. Mahr's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahr practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Colonial Family Practice | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher M. Mahr is one of 2,356 family medicine physicians in South Carolina
Family medicine is Dr. Mahr's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Mahr is licensed in South Carolina.
Specialties and state licenses
- Family medicine, South CarolinaPrimary
Family medicine physicians near Dr. Mahr
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. Christopher M. Mahr billed Medicare for 11,086 services in 2024
CMS data shows 11,086 Medicare services from Dr. Mahr across 59 procedure codes in 2024, for 271 Medicare patients. Medicare paid $202,683 for them. Every service was in an office.
Dr. Mahr's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 4,5562024: 4,4183%
- Other services
- 2023: 4,1052024: 3,9574%
- Office and hospital visits
- 2023: 1,7862024: 1,30327%
- Surgery
- 2023: 8022024: 72310%
- Tests and treatments
- 2023: 3272024: 3066%
- Drugs given in the office
- 2023: 842024: 269220%
- Imaging
- 2023: 1052024: 1105%
Dr. Mahr compared with the South Carolina median for family medicine physicians, 2024
- Dr. Mahr
- South Carolina median
- Medicare services
- 11,086vs 74414.9 times
- Medicare patients
- 271vs 23217% above
- Part D claims
- 10,033vs 1,0239.8 times
Medians across 2,295 family medicine physicians in South Carolina with Dmand AI profiles that report each measure.
Dr. Mahr's 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. Mahr and other family medicine physicians in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher M. Mahr treated 271 Medicare patients in 2024, average age 73
CMS counts 271 Medicare patients who saw Dr. Mahr in 2024. The largest group is 65 to 74, with 140 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mahr's median patient age at 62, with 52% women.
Dr. Mahr's Medicare patients by age, 2024
Dr. Mahr's Medicare patients by sex, 2024
- Women12747%
- Men14453%
Chronic conditions among Dr. Mahr's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease45%
- Arthritis42%
- Diabetes41%
- COPD20%
- Heart failure18%
- Ischemic heart disease17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mahr's 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
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher M. Mahr wrote 10,709 Medicare Part D claims in 2024
In 2024, Dr. Mahr wrote 10,709 Medicare Part D claims for 483 patients. 76% of them were for generic drugs. CMS names the drug for 10,033 of them, across 147 drugs with 11 or more claims each, at $1,409,828 in total drug cost. In 2023, CMS named 9,280 claims across 141 drugs.
Dr. Mahr's Part D claims by kind of drug, 2024
- Generic8,142 claims76%
- Brand-name2,364 claims22%
- Other203 claims2%
Dr. Mahr'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. Mahr's Part D claims, 2024
- Antibiotics1%140 of 10,709 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: 9,2802024: 10,0338%
Drugs named by CMS: 147 in 2024, 141 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. Christopher M. Mahr takes part in Medicare
Dr. Mahr 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. Christopher M. Mahr received $6,611 in industry payments from 2016 to 2025
CMS Open Payments shows 418 general payments to Dr. Mahr from 48 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $732.
General payments to Dr. Mahr by program year, 2016 to 2025
General payments to Dr. Mahr by kind, 2016 to 2025
- Food and beverage$6,54399%
- Education$681%
Companies that paid Dr. Mahr the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Christopher M. Mahr'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) |
| 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. Christopher M. Mahr
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. Christopher M. Mahr's NPI number?
Dr. Christopher M. Mahr's NPI number is 1801880190. It was assigned on September 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher M. Mahr?
Dr. Christopher M. Mahr 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. Christopher M. Mahr practice?
Dr. Mahr practices at 698 E Bultman Dr, Sumter, SC 29150. Dr. Mahr's primary practice is Colonial Family Practice in Sumter, South Carolina. Dmand AI also links Dr. Mahr to 2 home health agencies, 1 group practice or clinic and 1 medical group.
What is Dr. Christopher M. Mahr's office phone number?
The practice phone on file for Dr. Mahr is (803) 773-5227.
What is Dr. Christopher M. Mahr's medical license number?
Dr. Mahr holds South Carolina license 28038.
Which hospitals is Dr. Christopher M. Mahr affiliated with?
Dr. Mahr is affiliated with Prisma Health Tuomey Hospital.
What medical group is Dr. Christopher M. Mahr part of?
Dr. Mahr is linked to Prisma Health Medical Group-Midlands. Dmand AI links Dr. Mahr to 1 more medical group.
Does Dr. Christopher M. Mahr accept Medicare?
Yes. CMS data shows Dr. Mahr billed Medicare for 11,086 services in 2024, and Dr. Mahr accepts Medicare assignment.
How many Medicare patients does Dr. Christopher M. Mahr see?
CMS counts 271 Medicare patients who saw Dr. Mahr in 2024, with an average age of 73.
What services does Dr. Christopher M. Mahr bill to Medicare?
In 2024, Dr. Mahr's most billed Medicare services were medicare temporary code (Q9967), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
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What drugs does Dr. Christopher M. Mahr prescribe most?
In 2024 Medicare Part D data, Dr. Mahr's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Potassium Chloride.
Has Dr. Christopher M. Mahr received payments from drug or device companies?
CMS Open Payments shows $6,611 in general payments to Dr. Mahr from 48 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Christopher M. Mahr been practicing?
Dr. Mahr graduated from medical school in 2003, 23 years ago.
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