Active NPI 1689806531 Individual Practitioner Female Practitioner

Christa M Purdum , PA

Physician Assistant • Manassas, VA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Christa Purdum, PA is a certified Physician Assistant practicing in Manassas, VA. With approximately 17 years of clinical experience since graduating from Eastern Virginia Medical School in 2009, Christa Purdum delivers high-quality medical care to the local community at 8640 SUDLEY RD STE 201.

Christa Purdum maintains professional affiliations with Uva Community Health Medical Group Llc, Gastroenterology Associates Va, Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, telephone medical discussion with physician. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

8640 Sudley Rd Ste 201

Manassas, VA 201104404

Telephone 7033686819

Fax 7033302923

Associated Practice Facility / Clinic

🏢 Gastroenterology Associates Va, Llc Facility NPI 1518990472

Medicare Profile & Education

Medical School

Eastern Virginia Medical School

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Manassas, VA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs +7.5 yrs vs City Avg

City Avg: 9.5 Yrs

State Avg: 10.5 Yrs

Regional Practice Density

54 Specialists

Practicing in Manassas, VA (4432 Statewide)

Telehealth Adoption Rate

11.1% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

68.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Purdum (17 Years) 17 Yrs

Manassas Specialty Average (9.5 Years) 9.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	169	154	$302.41	$90.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	107	107	$411.10	$127.74
99213 Established patient office or other outpatient visit, typically 15 minutes	71	71	$220.07	$64.37
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	25	$418.40	$136.51
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$526.23	$173.01
99442 Telephone medical discussion with physician, 11-20 minutes	13	12	$223.05	$74.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	222	185	$178.78	$98.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	117	117	$292.00	$132.23
99213 Established patient office or other outpatient visit, typically 15 minutes	77	71	$126.44	$67.86
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$251.81	$143.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$175.00	$89.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	187	164	$175.63	$107.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	129	129	$292.00	$139.34
99213 Established patient office or other outpatient visit, typically 15 minutes	72	68	$122.00	$77.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$175.00	$95.21
99442 Telephone medical discussion with physician, 11-20 minutes	11	11	$175.00	$76.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	151	136	$175.00	$109.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	144	144	$292.00	$141.97
99213 Established patient office or other outpatient visit, typically 15 minutes	83	81	$122.00	$78.21
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	11	$249.00	$154.93
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$175.00	$89.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	70	62	$175.00	$92.38
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	53	53	$292.00	$138.89
99213 Established patient office or other outpatient visit, typically 15 minutes	43	42	$120.53	$64.18
99441 Telephone medical discussion with physician, 5-10 minutes	15	14	$113.00	$38.91
99442 Telephone medical discussion with physician, 11-20 minutes	14	14	$175.00	$64.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$174.82	$92.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	166	154	$175.00	$91.47
99213 Established patient office or other outpatient visit, typically 15 minutes	120	102	$113.00	$62.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	90	90	$292.00	$137.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$173.00	$91.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	127	115	$169.02	$90.83
99213 Established patient office or other outpatient visit, typically 15 minutes	112	101	$113.95	$61.48
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	86	86	$272.95	$138.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$171.68	$91.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	156	148	$165.00	$90.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	76	76	$250.00	$137.58
99213 Established patient office or other outpatient visit, typically 15 minutes	53	52	$115.00	$61.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$170.00	$90.38

Medical Specialties & State Licenses

CMS Verified: 2026-02-13

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License VA 0110003057

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1689806531 (VA)

Hospital & Practice Group Affiliations

Gastroenterology Associates Va, Llc

170 W Shirley Ave, Warrenton, VA 201863083

Phone: 5403472470

Gastroenterology Associates Va, Llc

7915 Lake Manassas Dr, Gainesville, VA 201553260

Phone: 5712480653

Gastroenterology Associates Va, Llc

8640 Sudley Rd, Manassas, VA 201104404

Phone: 7033686819

Uva Community Health Medical Group Llc

15225 Heathcote Blvd, Haymarket, VA 201696264

Phone: 7033965292

Uva Community Health Medical Group Llc

8700 Sudley Rd, Manassas, VA 201104418

Phone: 5712613270

Secondary Practice Locations

8700 Sudley Rd

Manassas, VA 201104418

Phone: 7033965292

7915 Lake Manassas Dr Ste 302

Gainesville, VA 201553260

Phone: 5712480653

170 W Shirley Ave Ste 205

Warrenton, VA 201863083

Phone: 5403472470

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

20 Associated Practitioners

Jacqueline Ramirez , PA-C

Physician Assistant

NPI 1003317256

Physician Assistant (Certified)

Crystal Mcgovern , NP

Nurse Practitioner - Family

NPI 1063714244

Nurse Practitioner

Dr. Nina Phatak , MD

Internal Medicine - Gastroenterology

NPI 1093828147

Doctor of Medicine (M.D.)

Anup Manes , ANP

Nurse Practitioner - Adult Health

NPI 1134463292

Adult Nurse Practitioner

Dr. Darren Baroni , MD

Internal Medicine - Gastroenterology

NPI 1154377497

Doctor of Medicine (M.D.)

Dr. Jin Park , MD

Internal Medicine - Gastroenterology

NPI 1225033038

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events

📍

Updated Business Mailing Address February 13, 2026

Registered at PO BOX 381468, GERMANTOWN, TN 381831468

📍

Updated Business Mailing Address September 05, 2025

Registered at PO BOX 748613, ATLANTA, GA 303748613 (Tel: 4342951000)

📍

Updated Business Mailing Address February 28, 2025

Registered at ONE GI CREDENTIALING DEPARTMENT, PO BOX 381468, GERMANTOWN, TN 381831468

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 08, 2023

Physician Assistant (License #0110003057 in VA)

✅

NPI Profile Active October 05, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location October 05, 2012

Registered at 8640 SUDLEY RD STE 201, MANASSAS, VA 201104404 (Tel: 7033686819)

📍

Updated Business Mailing Address October 05, 2012

Registered at 8640 SUDLEY RD STE 201, MANASSAS, VA 201104404 (Tel: 7033686819)

👤

Provider Name / Credentials Updated October 05, 2012

Recorded as CHRISTA PURDUM, PA

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 05, 2012

Physician Assistant (License #0110003057 in VA)

🟢

Initial NPI Registration & Enumeration August 11, 2009

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1689806531

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 11, 2009

Last Update: February 13, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 381468

Germantown, TN 381831468

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.