Helen Onyeche Ajufo, MD
Hematology (Internal Medicine) Physician · Saint Louis, MO
Helen Onyeche Ajufo, MD is a hematology (internal medicine) physician with a practice address in Saint Louis, Missouri, and NPI 1497282115, issued on May 12, 2017. Check the license (Missouri 2024032705, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Helen Onyeche Ajufo
- Credential
- MD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- 2024032705 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4921 Parkview PL, Saint Louis, MO 63110
- Phone
- (314) 362-7216
- Enumerated
- May 12, 2017
- Record last updated
- Apr 15, 2025
- Fax
- (314) 362-8813
- Medicaid ID
- 200148276 MO
- Medicare enrollment
- Enrolled (PECOS I20250501002872); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 22 in Missouri → Look up another NPI →
Also registered at 4921 Parkview PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Helen Onyeche Ajufo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2024032705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Washington UniversitySaint Louis, MO
- Washington University Physicians IN Illinois IncShiloh, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Helen Onyeche Ajufo among 22 hematology (internal medicine) physician records in Missouri
Helen Onyeche Ajufo, MD is one of 22 hematology (internal medicine) physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 18% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2017 · median 2010 among the 15 with a school on file
- Record last updated2025 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Missouri
There are 22 hematology (internal medicine) physician records in Missouri.
All 22 in Missouri → Every provider in Saint Louis → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Vorachart Auethavekiat, MDSaint Louis, MO 631101003872615
- Scot Hickman, MDSaint Louis, MO 631101114976818
- Gregory Longmore, MDSaint Louis, MO 631101912924473
- Amir Mahmoud, MDSaint Louis, MO 631101619549078
- Elaine Majerus, MDSaint Louis, MO 631101326064544
- Katherine Ponder, MDSaint Louis, MO 631101689692493
- Joshua Siner, MDSaint Louis, MO 631101467944520
- Douglas Tollefsen, MDSaint Louis, MO 631101679599815
Common questions
What is Helen Onyeche Ajufo, MD's NPI number?
Helen Onyeche Ajufo, MD's National Provider Identifier (NPI) is 1497282115, issued on May 12, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Helen Onyeche Ajufo, MD located?
The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 362-7216. Providers update this record themselves, so call before visiting.
How can I verify Helen Onyeche Ajufo, MD's license?
NPPES lists Missouri license number 2024032705, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.