NPPES file of Aug 9, 2026

Thelma Serwah Bonsu

Internal Medicine Physician · Westerville, OH

Thelma Serwah Bonsu is an internal medicine physician with a practice address in Westerville, Ohio, and NPI 1588166938, issued on Mar 1, 2018. Check the license (Ohio 34.018356, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588166938
Name
Thelma Serwah Bonsu
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
34.018356 OH
Self-reported in NPPES; status is on the state search
Practice location
300 Polaris Pkwy Ste 230, Westerville, OH 43082
Phone
(614) 533-3475
Enumerated
Mar 1, 2018
Record last updated
Jul 20, 2026
Fax
(614) 533-3480
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 300 Polaris Pkwy Ste 230

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vince Chickerella, FNP, CNPFamily Nurse Practitioner1447985072
  2. Kimberly Cook, CNPFamily Nurse Practitioner1780426825
  3. Victoria Ellis, MDFamily Medicine Physician1376004879
  4. Joshua Grant, MDFamily Medicine Physician1093275042
  5. Joe Hilty, CNPFamily Nurse Practitioner1720579089
  6. John David Manuel, DOFamily Medicine Physician1548951908

Verify Thelma Serwah Bonsu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34.018356
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

187 Medicare Part D claims for 68 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Thelma Bonsu187
  2. Specialty average3,176

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

59 internal medicine physician records list a practice address in Westerville

They are 59 of the 3,300 NPPES records with a practice address in Westerville, and 5,277 internal medicine physician records in Ohio.

Other internal medicine physician records in Ohio

  1. Evan Abalos, D.O.Toledo, OH1194163089
  2. Susan Abbott, MDCincinnati, OH1568414290
  3. Walid Abboud, MDCleveland, OH1245295559
  4. Joelle Abdallah, MDColumbus, OH1912577651
  5. Mandi Abdel Ahad, DOCleveland, OH1235870551
  6. Saaid Abdel-Ghani, M.D.Columbus, OH1598926529
  7. Bahaa Abdelghaffar, MDCleveland, OH1265954275
  8. John Abdelnour, MDCleveland, OH1114656931
  9. Ahmad Abdelrahman, MDToledo, OH1134859192
  10. Nawal Abdi, MDCleveland, OH1154002582

Common questions

What is Thelma Serwah Bonsu's NPI number?

Thelma Serwah Bonsu's National Provider Identifier (NPI) is 1588166938, issued on Mar 1, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Thelma Serwah Bonsu located?

The NPPES record lists a practice address at 300 Polaris Pkwy Ste 230, Westerville, OH, 43082. Phone: (614) 533-3475. Providers update this record themselves, so call before visiting.

How can I verify Thelma Serwah Bonsu's license?

NPPES lists Ohio license number 34.018356, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thelma Serwah Bonsu prescribe under Medicare Part D?

In 2024, Thelma Serwah Bonsu had 187 Medicare Part D claims for 68 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.