MARK JOHN BASKERVILLE M.D.
NPI 1306801824
Emergency Medicine in Columbia, MD

Active since April 18, 2006PECOS Enrolled
84.46/100
CMS Quality Rating
5755 CEDAR LN, COLUMBIA, MD 21044(410) 884-8688 Get Directions Write a Review

NPPES record last updated: March 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 9, 2026, Dec 4, 2020 (2 updates tracked since 2020).

About Mark John Baskerville M.d. NPPES

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

MARK JOHN BASKERVILLE M.D. (NPI 1306801824) is an individual emergency medicine provider in Columbia, Maryland, licensed in Maryland (D0054897) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Suburban Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1306801824
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMARK JOHN BASKERVILLECredential: M.D.
Location Address5755 CEDAR LNColumbia, MD 21044-2912
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-0000 · Fax (410) 500-4266
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 1995
Enumeration DateApril 18, 2006
Last NPPES UpdateMarch 9, 20262 updates tracked since enumeration
NPPES CertifiedMarch 9, 2026
✔ NPI 1306801824 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MD · D0054897
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedAnesthesiologyTaxonomy 207L00000X · License D54897 (MD), MD23614 (OR)
5755 CEDAR LN, Columbia, MD 21044

Secondary Practice Locations 2

Location 18600 Old Georgetown RdBethesda, MD 20814-1422 · Phone (301) 896-7610 · Fax (301) 896-7626
Location 21255 Hilyard StEugene, OR 97401-3718 · Phone (541) 686-7300

Other Identifiers 3

Other50086273OR · Railroad Medicare
OtherA048OR · Tricare
Medicaid286886OR

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark John Baskerville M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759316615
PECOS Enrollment IDI20050928001578, I20201208000186, I20201208000235
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

5

Medicare enrollment records show Mark Baskerville reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Physical Medicine & Rehabilitation
10710 CHARTER DRIVE, STE 100
Columbia, MD 21044
  • Reassigned Medicare billing, Maryland and District of Columbia enrollments
  • Also billed through NPI 1255359972 (District of Columbia)
  • 952 clinicians in this Medicare group
Body Imaging
10840 LITTLE PATUXENT PKWY
Columbia, MD 21044
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
Anesthesiology
9841 BROKEN LAND PKWY STE 310
Columbia, MD 21046
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 717 clinicians in this Medicare group
Emergency Medicine
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, District of Columbia enrollment
  • 34 clinicians in this Medicare group
Anesthesiology
3181 SW SAM JACKSON PARK RD, MAILCODE: SJH-2
Portland, OR 97239
  • Reassigned Medicare billing, Oregon enrollment
  • 279 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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
93 services68 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
24 services12 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
14 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Suburban Hospital

Acute Care Hospitals · Bethesda, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210022
Location8600 Old Georgetown RoadBethesda, MD 20814 · Montgomery County
Emergency services

Johns Hopkins Howard County Medical Center

Acute Care Hospitals · Columbia, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210048
Location5755 Cedar LaneColumbia, MD 21044 · Howard County
Emergency services Birthing friendly

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21044 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94.32
Improvement Activities40
Cost46.21

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.

Emergency Medicine
5755 CEDAR LN
COLUMBIA, MD 21044
Orthopaedic Surgery
5755 CEDAR LN
COLUMBIA, MD 21044
Family Medicine
5755 CEDAR LN
COLUMBIA, MD 21044
Emergency Medicine
5755 CEDAR LN
COLUMBIA, MD 21044
Surgery
5755 CEDAR LN
COLUMBIA, MD 21044
Physician Assistant
5755 CEDAR LN
COLUMBIA, MD 21044
Emergency Medicine
5755 CEDAR LN
COLUMBIA, MD 21044
Social Worker (Clinical)
5755 CEDAR LN
COLUMBIA, MD 21044

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 Mark Baskerville's NPI number?

The NPI number for Mark Baskerville is 1306801824. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is Mark Baskerville located?

Mark Baskerville practices at 5755 Cedar Ln, Columbia, MD 21044. The listed phone number is (410) 884-8688.

What is Mark Baskerville's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Mark Baskerville enrolled in Medicare?

Yes. Mark Baskerville is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Baskerville's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Baskerville reassigns Medicare benefits to 5 organizations: Johns Hopkins Community Physicians (Columbia, MD), Johns Hopkins University (Columbia, MD), First Colonies Anesthesia Associates, LLC (Columbia, MD), Johns Hopkins University (Baltimore, MD) and University Anesthesiology Associates, LLC (Portland, OR). 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 Mark Baskerville's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mark Baskerville affiliated with any hospitals?

According to CMS data, Mark Baskerville is affiliated with Suburban Hospital, Johns Hopkins Howard County Medical Center and Ohsu Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Mark Baskerville was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.