Dr. Gwendolin Vakena Tangham, MD
- Medicare services, 2024
- 1,332
- Medicare patients, 2024
- 219
- Part D claims, 2024
- 389
- Hospital affiliations
- 1
- Industry payments
- $349
- Practice address
- 200 Medical Park Boulevard, Petersburg, VA 23805
- Practice phone
- Call (804) 765-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tangham's professional email, personal email and mobile number
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Dr. Gwendolin Vakena Tangham is an infectious disease specialist in Petersburg, Virginia
Dr. Tangham practices at Bon Secours Southside Medical Center in Petersburg, Virginia, part of Bon Secours Mercy Health.
Dr. Tangham's NPI, 1962659730, was assigned on August 25, 2008. Dr. Tangham holds Virginia license 0101-254157.
- NPI
- 1962659730NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648404954
- NPI enumeration date
- August 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (804) 765-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gwendolin Vakena Tangham practices at Bon Secours Southside Medical Center in Petersburg, Virginia
Dr. Tangham's primary practice is Bon Secours Southside Medical Center, at 200 Medical Park Boulevard, Petersburg, VA 23805 in Petersburg City. The practice phone is (804) 765-5000.
- Bon Secours Southside Medical Center200 Medical Park Boulevard, Petersburg, VA 23805 · Petersburg CityPhone(804) 765-5000
Source: Dmand AI Affiliation Data
Dr. Gwendolin Vakena Tangham is affiliated with 3 sites of care and 1 medical group
Dr. Tangham's primary practice is Bon Secours Southside Medical Center in Petersburg, Virginia, part of Bon Secours Mercy Health. The medical group on file is Bon Secours Medical Group Richmond Specialty Care. Dmand AI also links Dr. Tangham to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gwendolin Vakena Tangham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tangham practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bon Secours Southside Medical Center | Available with a free account |
| +2 more affiliated sites | 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 Bon Secours Mercy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gwendolin Vakena Tangham is one of 210 infectious disease specialists in Virginia
Infectious disease is Dr. Tangham's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Tangham is licensed in Virginia.
Specialties and state licenses
- Infectious disease, VirginiaPrimary
Infectious disease specialists near Dr. Tangham
Counts of infectious disease specialists 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. Gwendolin Vakena Tangham billed Medicare for 1,332 services in 2024
CMS data shows 1,332 Medicare services from Dr. Tangham across 5 procedure codes in 2024, for 219 Medicare patients. Medicare paid $91,249 for them.
Dr. Tangham's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5382024: 1,33213%
Where Dr. Tangham's Medicare services took place, 2024
- In an office997%
- In a facility1,23393%
Dr. Tangham compared with the Virginia median for infectious disease specialists, 2024
- Dr. Tangham
- Virginia median
- Medicare services
- 1,332vs 3244.1 times
- Medicare patients
- 219vs 15640% above
- Part D claims
- 208vs 14642% above
Medians across 189 infectious disease specialists in Virginia with Dmand AI profiles that report each measure.
Dr. Tangham'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. Tangham and other infectious disease specialists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gwendolin Vakena Tangham treated 219 Medicare patients in 2024, average age 76
CMS counts 219 Medicare patients who saw Dr. Tangham in 2024. The largest group is 75 to 84, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 3.32, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tangham's median patient age at 63, with 48% women.
Dr. Tangham's Medicare patients by age, 2024
Dr. Tangham's Medicare patients by sex, 2024
- Women11452%
- Men10548%
Chronic conditions among Dr. Tangham's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease67%
- Diabetes64%
- Heart failure61%
- Arthritis55%
- Ischemic heart disease52%
- Mood disorders48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tangham's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gwendolin Vakena Tangham wrote 389 Medicare Part D claims in 2024
In 2024, Dr. Tangham wrote 389 Medicare Part D claims for 94 patients. 65% of them were for generic drugs. CMS names the drug for 208 of them, across 10 drugs with 11 or more claims each, at $413,682 in total drug cost. In 2023, CMS named 177 claims across 9 drugs.
Dr. Tangham's Part D claims by kind of drug, 2024
- Generic253 claims65%
- Brand-name136 claims35%
Dr. Tangham'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. Tangham's Part D claims, 2024
- Antibiotics43%169 of 389 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: 1772024: 20818%
Drugs named by CMS: 10 in 2024, 9 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. Gwendolin Vakena Tangham takes part in Medicare
Dr. Tangham 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. Gwendolin Vakena Tangham received $349 in industry payments from 2016 to 2025
CMS Open Payments shows 20 general payments to Dr. Tangham from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 52% of the total. Shionogi Inc paid the most, $139.
General payments to Dr. Tangham by program year, 2016 to 2025
General payments to Dr. Tangham by kind, 2016 to 2025
- Food and beverage$18152%
- Education$16848%
Companies that paid Dr. Tangham 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. Gwendolin Vakena Tangham'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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. Gwendolin Vakena Tangham
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. Gwendolin Vakena Tangham's NPI number?
Dr. Gwendolin Vakena Tangham's NPI number is 1962659730. It was assigned on August 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Gwendolin Vakena Tangham?
Dr. Gwendolin Vakena Tangham is an infectious disease specialist in Petersburg, Virginia. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Gwendolin Vakena Tangham practice?
Dr. Tangham practices at 200 Medical Park Boulevard, Petersburg, VA 23805. Dr. Tangham's primary practice is Bon Secours Southside Medical Center in Petersburg, Virginia, part of Bon Secours Mercy Health. Dmand AI also links Dr. Tangham to 1 group practice or clinic and 1 home health agency.
What is Dr. Gwendolin Vakena Tangham's office phone number?
The practice phone on file for Dr. Tangham is (804) 765-5000.
What is Dr. Gwendolin Vakena Tangham's medical license number?
Dr. Tangham holds Virginia license 0101-254157.
Which hospitals is Dr. Gwendolin Vakena Tangham affiliated with?
Dr. Tangham practices at Bon Secours Southside Medical Center in Petersburg, Virginia.
What medical group is Dr. Gwendolin Vakena Tangham part of?
Dr. Tangham is linked to Bon Secours Medical Group Richmond Specialty Care.
Does Dr. Gwendolin Vakena Tangham accept Medicare?
Yes. CMS data shows Dr. Tangham billed Medicare for 1,332 services in 2024, and Dr. Tangham accepts Medicare assignment.
How many Medicare patients does Dr. Gwendolin Vakena Tangham see?
CMS counts 219 Medicare patients who saw Dr. Tangham in 2024, with an average age of 76.
What services does Dr. Gwendolin Vakena Tangham bill to Medicare?
In 2024, Dr. Tangham's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, established patient (99214).
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What drugs does Dr. Gwendolin Vakena Tangham prescribe most?
In 2024 Medicare Part D data, Dr. Tangham's most prescribed drugs by claims were Genvoya, Biktarvy and Vancomycin HCl.
Has Dr. Gwendolin Vakena Tangham received payments from drug or device companies?
CMS Open Payments shows $349 in general payments to Dr. Tangham from 7 companies from 2016 to 2025. The largest total came from Shionogi Inc.
How long has Dr. Gwendolin Vakena Tangham been practicing?
Dr. Tangham's NPI was assigned in 2008.
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