Konrad W. Bakker, M.D.
Sleep Medicine (Psychiatry & Neurology) Physician · Frederick, MD
Konrad W. Bakker, M.D. is a sleep medicine (psychiatry & neurology) physician with a practice address in Frederick, Maryland, and NPI 1346246782, issued on Jun 21, 2005. Check the license (Maryland DOO35322, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Konrad W. Bakker
- Credential
- M.D.
- Primary taxonomy
- Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
- License numbers
- DOO35322 MD
D0035322 MD
Self-reported in NPPES; status is on the state search - Practice location
- 172 Thomas Johnson Dr, Frederick, MD 21702
- Phone
- (301) 694-0900
- Enumerated
- Jun 21, 2005
- Record last updated
- Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (301) 694-0657
- Medicaid ID
- 526711100 MD
- Medicare enrollment
- Enrolled (PECOS I20060510000162); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sleep medicine (psychiatry & neurology) physician records → All 11 in Maryland → Look up another NPI →
Also registered at 172 Thomas Johnson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Dillehay, MSProfessional Counselor1922400662
- Boyd Dwyer, M.DNeurology Physician1134123615
- Melissa Esposito, M.D.Specialist1023003464
- Sarah Jamieson, PA-CMedical Physician Assistant1295813319
- Melissa Kigin, MSMarriage & Family Therapist1326253121
- Richard Leschek, D.O.Neurology Physician1164429429
Verify Konrad W. Bakker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license DOO35322Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average sleep medicine (psychiatry & neurology) physician in 2024
1,875 Medicare Part D claims for 409 beneficiaries, against an average of 655 among the 377 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Zolpidem Tartrate285 claims
- Eszopiclone214 claims
- Modafinil187 claims
- Clonazepam103 claims
- Armodafinil95 claims
- Zolpidem Tartrate Er83 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: $483.53
23 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 278 providers of this specialty with any payment received $5,572.43 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Amber Hill Physical Therapy IncFrederick, MD
- Privia Medical Group, LLCWaldorf, MD
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Konrad W. Bakker among 11 sleep medicine (psychiatry & neurology) physician records in Maryland
Konrad W. Bakker, M.D. is one of 11 sleep medicine (psychiatry & neurology) physician records with a practice address in Maryland. 100% 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 · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084S0012X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Psychiatry & Neurology) Physician providers in Maryland
There are 11 sleep medicine (psychiatry & neurology) physician records in Maryland.
All 11 in Maryland → Every provider in Frederick → Sleep Medicine (Psychiatry & Neurology) Physician nationwide →
The 8 sleep medicine (psychiatry & neurology) physician records with the nearest ZIP codes
- Samuel Nava, M.D.Cumberland, MD 215021134267719
- Catherine Griffin, MDBaltimore, MD 212291629284286
- Raya Wehbeh, MDBaltimore, MD 212041225315989
- Connie Thomas, M.D.Bethesda, MD 208891215283387
- Syed Ahmed, M.D.Germantown, MD 208761144434887
- Pamela Howard, MDRockville, MD 208541982726493
- Ritula Mehndiratta, MDRockville, MD 208501619067659
- Yash Mehndiratta, M.D.Rockville, MD 208501033183868
Common questions
What is Konrad W. Bakker, M.D.'s NPI number?
Konrad W. Bakker, M.D.'s National Provider Identifier (NPI) is 1346246782, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Konrad W. Bakker, M.D. located?
The NPPES record lists a practice address at 172 Thomas Johnson Dr, Frederick, MD, 21702. Phone: (301) 694-0900. Providers update this record themselves, so call before visiting.
How can I verify Konrad W. Bakker, M.D.'s license?
NPPES lists Maryland license number DOO35322, 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 Konrad W. Bakker, M.D. prescribe under Medicare Part D?
In 2024, Konrad W. Bakker, M.D. had 1,875 Medicare Part D claims for 409 beneficiaries; the average among sleep medicine (psychiatry & neurology) physician prescribers was 655. 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.