David J. Haidak, M.D.
Hematology & Oncology Physician · Clinton, MD
David J. Haidak, M.D. is a hematology & oncology physician with a practice address in Clinton, Maryland, and NPI 1215933221, issued on Jun 23, 2005. Check the license (Maryland D0017605, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- David J. Haidak
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- D0017605 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8926 Woodyard RD, Clinton, MD 20735
- Phone
- (301) 868-7911
- Enumerated
- Jun 23, 2005
- Record last updated
- May 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (301) 868-2285
- Medicaid IDs
- 022118900 DC
20096 1700 MD - Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 317 in Maryland → Look up another NPI →
Also registered at 8926 Woodyard RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rommaan Ahmad, DOPhysical Medicine & Rehabilitation Physician1558439133
- Rita Bass, M.D.Diagnostic Radiology Physician1700866316
- Luke Blankenheim, PA-CPhysician Assistant1174829774
- Kathleen Butler, M.D.Specialist1013997634
- Diana CarreraStudent in an Organized Health Care Education/Training Program1003358201
- Nicholas Demonaco, M.D.Hematology & Oncology Physician1871535245
Verify David J. Haidak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0017605Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
13 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
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.
David J. Haidak among 317 hematology & oncology physician records in Maryland
David J. Haidak, M.D. is one of 317 hematology & oncology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2008 · 57% 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 Maryland 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 Maryland
There are 317 hematology & oncology physician records in Maryland.
All 317 in Maryland → Every provider in Clinton → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Nicholas Demonaco, M.D.Clinton, MD 207351871535245
- Rita Gupta, M.D.Clinton, MD 207351003857269
- Ankit Madan, M.B.B.S.Clinton, MD 207351063791119
- Jose Mendoza, M.D.Clinton, MD 207351982648036
- Jun Sun, M.D.Clinton, MD 207351306097209
- Omar Taha, M.D.Clinton, MD 207351639590417
- Deepnarayan Tiwarri, M.D.Clinton, MD 207351649217464
- Isabella Martire, M.D.Laurel, MD 207071952363517
Common questions
What is David J. Haidak, M.D.'s NPI number?
David J. Haidak, M.D.'s National Provider Identifier (NPI) is 1215933221, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David J. Haidak, M.D. located?
The NPPES record lists a practice address at 8926 Woodyard RD, Clinton, MD, 20735. Phone: (301) 868-7911. Providers update this record themselves, so call before visiting.
How can I verify David J. Haidak, M.D.'s license?
NPPES lists Maryland license number D0017605, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David J. Haidak, M.D. prescribe under Medicare Part D?
In 2024, David J. Haidak, M.D. had 13 Medicare Part D claims; 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.