Christa M. Purdum, PA
- Medicare patients, 2024
- 364
- Part D claims, 2024
- 841
- MIPS score, 2024
- 100
- Hospital affiliations
- 5
- Industry payments
- $535
- Practice address
- 7915 Lake Manassas Dr, Gainesville, VA 20155
- Practice phone
- Call (571) 248-0653
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Colon Stomach & Liver Center
Gainesville, Virginia
Find Christa Purdum'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.
Christa M. Purdum is a physician assistant in Gainesville, Virginia
Christa Purdum practices at Colon Stomach & Liver Center in Gainesville, Virginia.
Christa Purdum's NPI, 1689806531, was assigned on August 11, 2009. Christa Purdum graduated from Eastern Virginia Medical School in 2009. Christa Purdum holds Virginia license 0110003057.
- NPI
- 1689806531NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759563133
- NPI enumeration date
- August 11, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (571) 248-0653
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Christa M. Purdum practices at Colon Stomach & Liver Center in Gainesville, Virginia
Christa Purdum's primary practice is Colon Stomach & Liver Center, at 7915 Lake Manassas Dr, Gainesville, VA 20155 in Prince William County. The practice phone is (571) 248-0653.
- Colon Stomach & Liver Center7915 Lake Manassas Dr, Gainesville, VA 20155 · Prince William CountyPhone(571) 248-0653
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Christa M. Purdum is affiliated with 9 sites of care and 3 medical groups
Christa Purdum's primary practice is Colon Stomach & Liver Center in Gainesville, Virginia. Christa Purdum is also affiliated with University Medical Center. The medical group on file is Inova Urgent Care Center. Dmand AI also links Christa Purdum to 4 more hospitals, 3 group practices and clinics and 2 medical groups, 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 Christa M. Purdum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christa Purdum practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Colon Stomach & Liver Center | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Christa M. Purdum is one of 3,636 physician assistants in Virginia
Physician assistant is Christa Purdum's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Christa Purdum is licensed in Virginia.
Specialties and state licenses
- Physician assistant, VirginiaPrimary
Physician assistants near Christa Purdum
Counts of physician assistants 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
Christa M. Purdum treated 364 Medicare patients in 2024, average age 74
CMS counts 364 Medicare patients who saw Christa Purdum in 2024. The largest group is 65 to 74, with 166 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christa Purdum's median patient age at 60, with 63% women.
Christa Purdum's Medicare patients by age, 2024
Christa Purdum's Medicare patients by sex, 2024
- Women22963%
- Men13537%
Chronic conditions among Christa Purdum's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis52%
- Anxiety27%
- Chronic kidney disease24%
- Diabetes24%
- Ischemic heart disease24%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Christa Purdum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christa M. Purdum wrote 841 Medicare Part D claims in 2024
In 2024, Christa Purdum wrote 841 Medicare Part D claims for 221 patients. 81% of them were for generic drugs.
Christa Purdum's Part D claims by kind of drug, 2024
- Generic680 claims81%
- Brand-name149 claims18%
- Other12 claims1%
Drug classes CMS tracks in Christa Purdum's Part D claims, 2024
- Antibiotics1%12 of 841 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Christa M. Purdum scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Christa Purdum for performance year 2024, reported as part of a group. Christa Purdum accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christa Purdum as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Christa Purdum's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Christa M. Purdum received $535 in industry payments in 2025
CMS Open Payments shows 17 general payments to Christa Purdum from 10 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $186.
Companies that paid Christa Purdum the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Christa M. Purdum graduated from Eastern Virginia Medical School
Christa Purdum graduated from Eastern Virginia Medical School in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Christa M. Purdum'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 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 (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)Clinician Public Reporting: Overall MIPS Performance (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 Christa M. Purdum
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christa M. Purdum's NPI number?
Christa M. Purdum's NPI number is 1689806531. It was assigned on August 11, 2009, and it is active in the NPI Registry.
What does Christa M. Purdum specialize in?
Christa M. Purdum is a physician assistant in Gainesville, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Christa M. Purdum practice?
Christa Purdum practices at 7915 Lake Manassas Dr, Gainesville, VA 20155. Christa Purdum's primary practice is Colon Stomach & Liver Center in Gainesville, Virginia. Dmand AI also links Christa Purdum to 4 hospitals, 3 group practices and clinics and 2 medical groups.
What is Christa M. Purdum's office phone number?
The practice phone on file for Christa Purdum is (571) 248-0653.
What is Christa M. Purdum's medical license number?
Christa Purdum holds Virginia license 0110003057.
Which hospitals is Christa M. Purdum affiliated with?
Christa Purdum is affiliated with University Medical Center. Dmand AI links Christa Purdum to 4 more hospitals.
What medical group is Christa M. Purdum part of?
Christa Purdum is linked to Inova Urgent Care Center. Dmand AI links Christa Purdum to 2 more medical groups.
Does Christa M. Purdum accept Medicare?
Yes. CMS lists Christa Purdum as accepting Medicare assignment.
Does Christa M. Purdum offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Christa Purdum as offering telehealth services.
What is Christa M. Purdum's MIPS score?
Christa Purdum's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 4 more questionsShow fewer questions
How many Medicare patients does Christa M. Purdum see?
CMS counts 364 Medicare patients who saw Christa Purdum in 2024, with an average age of 74.
Where did Christa M. Purdum go to medical school?
Christa Purdum graduated from Eastern Virginia Medical School in 2009.
Has Christa M. Purdum received payments from drug or device companies?
CMS Open Payments shows $535 in general payments to Christa Purdum from 10 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Christa M. Purdum been practicing?
Christa Purdum graduated from medical school in 2009, 17 years ago.
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