NPPES file of Aug 9, 2026

Mansoor Ul Haq, M.D.

Hematology & Oncology Physician · Fenton, MO

Mansoor Ul Haq, M.D. is a hematology & oncology physician with a practice address in Fenton, Missouri, and NPI 1104079607, issued on Oct 28, 2008. Check the license (Missouri 2017014864, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1104079607
Name
Mansoor Ul Haq
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
2017014864 MO
036.135192 IL
Self-reported in NPPES; status is on the state search
Practice location
1011 Bowles Ave Ste G50, Fenton, MO 63026
Phone
(636) 496-4640
Enumerated
Oct 28, 2008
Record last updated
Nov 12, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170809002021); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1011 Bowles Ave Ste G50

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

  1. Stephanie Becker-Koepke, M.D.Hematology & Oncology Physician1063618379

Verify Mansoor Ul Haq in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2017014864
    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 Missouri license search

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2.0 times the Medicare Part D claims of the average hematology & oncology physician in 2024

1,769 Medicare Part D claims for 281 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 215 claims were for opioids.

  1. Mansoor Haq1,769
  2. Specialty average877

Most prescribed

  1. Anastrozole273 claims
  2. Eliquis82 claims
  3. Gabapentin74 claims
  4. Hydrocodone-Acetaminophen74 claims
  5. Abiraterone Acetate66 claims
  6. Prednisone64 claims

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.

Industry payments in 2024: $19.07

1 payment: food and beverage; the largest payer was Genzyme Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mansoor Haq$19.07
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ssm Medical Group IncRichmond Heights, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mansoor Ul Haq among 237 hematology & oncology physician records in Missouri

Mansoor Ul Haq, M.D. is one of 237 hematology & oncology physician records with a practice address in Missouri. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.

  • NPI issued2008 · 60% of these records are older, 35% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2002 · median 2003 among the 168 with a school on file
  • Record last updated2020 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Missouri

There are 237 hematology & oncology physician records in Missouri.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Stephanie Becker-Koepke, M.D.Fenton, MO 630261063618379
  2. Ilia Sumoza, MDFenton, MO 630261548447113
  3. Bhaskara Gadi, M.D.Festus, MO 630281821057365
  4. Craig Siegel, MDFestus, MO 630281295812733
  5. Donald Busiek, M.D.Chesterfield, MO 630171295783363
  6. Lakshmi Chelapareddy, MDChesterfield, MO 630171558758201
  7. Michael Ogawa, MDChesterfield, MO 630171477896538
  8. Meera Rana, M.D.Chesterfield, MO 630171598006520

Common questions

What is Mansoor Ul Haq, M.D.'s NPI number?

Mansoor Ul Haq, M.D.'s National Provider Identifier (NPI) is 1104079607, issued on Oct 28, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mansoor Ul Haq, M.D. located?

The NPPES record lists a practice address at 1011 Bowles Ave Ste G50, Fenton, MO, 63026. Phone: (636) 496-4640. Providers update this record themselves, so call before visiting.

How can I verify Mansoor Ul Haq, M.D.'s license?

NPPES lists Missouri license number 2017014864, 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.

How much does Mansoor Ul Haq, M.D. prescribe under Medicare Part D?

In 2024, Mansoor Ul Haq, M.D. had 1,769 Medicare Part D claims for 281 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.