MARK GLADWIN
NPI 1790997666
Internal Medicine - Critical Care Medicine in Bethesda, MD

Active since May 04, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
VMB NHLBI NIH 10 CENTER DR, BUILDING 10, ROOM 55140, BETHESDA, MD 20892(301) 435-2310 Get Directions Write a Review

NPPES record last updated: May 24, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark Gladwin NPPES

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

MARK GLADWIN (NPI 1790997666) is an individual critical care medicine provider in Bethesda, Maryland, licensed in Maryland (D0052428) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of University Of Miami, Lm Miller School Of Medicine (1991).

NPPES Registry Identity

NPI1790997666
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameMARK GLADWIN
Location AddressVMB NHLBI NIH 10 CENTER DR, BUILDING 10, ROOM 55140Bethesda, MD 20892-0001
Mailing AddressVmb Nhlbi Nih 10 Center Dr, Building 10, Room 55140Bethesda, MD 20892-0001
Sole ProprietorNo
Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 1991
Enumeration DateMay 4, 2007
Last NPPES UpdateMay 24, 2021
✔ NPI 1790997666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in MD · D0052428
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
VMB NHLBI NIH 10 CENTER DR, Bethesda, MD 20892

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

Mark Gladwin 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 ID2769556307
PECOS Enrollment IDI20230504000184
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 Reassignment

Medicare enrollment records show Mark Gladwin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nephrology
22 S GREENE ST
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • 614 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

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.
48 services13 patients

Hospital Affiliations CMS Care Compare

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20892 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

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 Gladwin's NPI number?

The NPI number for Mark Gladwin is 1790997666. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Where is Mark Gladwin located?

Mark Gladwin practices at Vmb Nhlbi Nih 10 Center Dr Building 10, Room 55140, Bethesda, MD 20892. The listed phone number is (301) 435-2310.

What is Mark Gladwin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Mark Gladwin enrolled in Medicare?

Yes. Mark Gladwin 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 organization bills Medicare for Mark Gladwin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Gladwin reassigns Medicare benefits to University Of Maryland Physicians PA (Baltimore, MD). The 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 Gladwin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mark Gladwin affiliated with any hospitals?

According to CMS data, Mark Gladwin is affiliated with University Of Maryland Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Gladwin was last updated on May 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.