DR. WILLIAM GEORGE JACKSON MD
NPI 1255890208
Internal Medicine - Pulmonary Disease in Glen Burnie, MD

Active since March 19, 2019PECOS EnrolledAccepts Medicare Assignment
301 HOSPITAL DR, GLEN BURNIE, MD 21061(410) 787-4000 Get Directions Write a Review

NPPES record last updated: June 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 23, 2025, Mar 19, 2019 (2 updates tracked since 2019).

About Dr. William George Jackson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM GEORGE JACKSON MD (NPI 1255890208) is an individual pulmonary disease provider in Glen Burnie, Maryland, licensed in Maryland (D0103633) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and maintains a secondary practice location in New Haven.

NPPES Registry Identity

NPI1255890208
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. WILLIAM GEORGE JACKSONCredential: MD
Location Address301 HOSPITAL DRGlen Burnie, MD 21061-5803
Mailing Address20 York StNew Haven, CT 06510-3220 · (203) 688-4242
Sole ProprietorNo
Medical School CMSJs Weill Medical College, Cornell UniversityGraduated 2019
Enumeration DateMarch 19, 2019
Last NPPES UpdateJune 23, 20252 updates tracked since enumeration
NPPES CertifiedJune 23, 2025
✔ NPI 1255890208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in MD · D0103633
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License D0103633 (MD)
301 HOSPITAL DR, Glen Burnie, MD 21061

Secondary Practice Location 1

Location 120 York StNew Haven, CT 06510-3220 · Phone (203) 688-4242

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William George Jackson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749519023
PECOS Enrollment IDI20250722000682
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show William Jackson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgical
301 HOSPITAL DR
Glen Burnie, MD 21061
  • Reassigned Medicare billing, Maryland enrollment
  • 966 clinicians in this Medicare group
Cardiovascular Disease
255 HOSPITAL DR FL 3
Glen Burnie, MD 21061
  • Reassigned Medicare billing, Maryland enrollment
  • 38 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Maryland Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210002
Location22 South Greene StreetBaltimore, MD 21201 · Baltimore City County
Emergency services Birthing friendly

University Of MD Baltimore Washington Medical Center

Acute Care Hospitals · Glen Burnie, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210043
Location301 Hospital DriveGlen Burnie, MD 21061 · Anne Arundel County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21061 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacist (Ambulatory Care)
301 HOSPITAL DR
GLEN BURNIE, MD 21061
Nurse Anesthetist, Certified Registered
301 HOSPITAL DR
GLEN BURNIE, MD 21061
Nurse Practitioner (Acute Care)
301 HOSPITAL DR
GLEN BURNIE, MD 21061
Pediatrics
301 HOSPITAL DR
GLEN BURNIE, MD 21061
Physician Assistant (Surgical)
301 HOSPITAL DR, SUITE 803
GLEN BURNIE, MD 21061
Obstetrics & Gynecology
301 HOSPITAL DR
GLEN BURNIE, MD 21061
Student in an Organized Health Care Education/Training Program
301 HOSPITAL DR
GLEN BURNIE, MD 21061
Surgery
301 HOSPITAL DR
GLEN BURNIE, MD 21061

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Jackson's NPI number?

The NPI number for William Jackson is 1255890208. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is William Jackson located?

William Jackson practices at 301 Hospital Dr, Glen Burnie, MD 21061. The listed phone number is (410) 787-4000.

What is William Jackson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is William Jackson enrolled in Medicare?

Yes. William Jackson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for William Jackson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Jackson reassigns Medicare benefits to 2 organizations: University Of Maryland Community Medical Group, Inc. (Glen Burnie, MD) and University Of Maryland Baltimore Washington Heart Associates LLC (Glen Burnie, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Jackson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is William Jackson affiliated with any hospitals?

According to CMS data, William Jackson is affiliated with University Of Maryland Medical Center and University Of MD Baltimore Washington Medical Center.

When was this NPI record last updated?

The NPPES record for William Jackson was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.