NPPES file of Aug 9, 2026

William George Jackson, MD

Pulmonary Disease Physician · Glen Burnie, MD

William George Jackson, MD is a pulmonary disease physician with a practice address in Glen Burnie, Maryland, and NPI 1255890208, issued on Mar 19, 2019. Check the license (Maryland D0103633, as entered in NPPES) on the Maryland Board of Physicians; 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
1255890208
Name
William George Jackson
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
D0103633 MD
Self-reported in NPPES; status is on the state search
Practice location
301 Hospital Dr, Glen Burnie, MD 21061
Phone
(410) 787-4000
Enumerated
Mar 19, 2019
Record last updated
Jun 23, 2025
Medicare enrollment
Enrolled (PECOS I20250722000682); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 2019
Telehealth
Offers telehealth (CMS)
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 301 Hospital Dr

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

  1. Steven Abert, MDEmergency Medicine Physician1932142122
  2. Omoyemi Adebayo, M.D.Emergency Medicine Physician1063788842
  3. Hajara AdebowaleNurse Practitioner1265161491
  4. Omolara Adewuni, M.D.Internal Medicine Physician1336317676
  5. Chinaemerem Agbakwuru, M.D.Pediatrics Physician1467865915
  6. Courtney Ajello, DNP, CRNACertified Registered Nurse Anesthetist1295439131

Verify William George Jackson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0103633
    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 Maryland license search

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94% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

90 Medicare Part D claims for 26 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 78% of claims.

  1. William Jackson90
  2. Specialty average1,425

Most prescribed

  1. Trelegy Ellipta13 claims
  2. Albuterol Sulfate Hfa12 claims
  3. Dupixent Pen11 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.

Bills Medicare through one group practice

  1. University OF Maryland Community Medical Group IncGlen Burnie, MD

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

William George Jackson among 342 pulmonary disease physician records in Maryland

William George Jackson, MD is one of 342 pulmonary disease physician records with a practice address in Maryland. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 97% of them.

  • NPI issued2019 · 97% of these records are older, under 1% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2019 · median 2000 among the 225 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Maryland

There are 342 pulmonary disease physician records in Maryland.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Kamal Batcha, M.D.Glen Burnie, MD 210611528049152
  2. Michael Blaj, MDGlen Burnie, MD 210611306294004
  3. Alexander Davies, M.D.Glen Burnie, MD 210611386038776
  4. Jason Heavner, M.D.Glen Burnie, MD 210611952575003
  5. Thirumalairaj Jeevan, M.D.Glen Burnie, MD 210611306827936
  6. Phue KhaingGlen Burnie, MD 210611720405681
  7. Jeffrey Marshall, M.D., MPH, MSGlen Burnie, MD 210611780978114
  8. Elizabeth McIlmoyle, M.D.Glen Burnie, MD 210611780801092

Common questions

What is William George Jackson, MD's NPI number?

William George Jackson, MD's National Provider Identifier (NPI) is 1255890208, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.

Where is William George Jackson, MD located?

The NPPES record lists a practice address at 301 Hospital Dr, Glen Burnie, MD, 21061. Phone: (410) 787-4000. Providers update this record themselves, so call before visiting.

How can I verify William George Jackson, MD's license?

NPPES lists Maryland license number D0103633, 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 William George Jackson, MD prescribe under Medicare Part D?

In 2024, William George Jackson, MD had 90 Medicare Part D claims for 26 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.