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ALEX CLEM M.D.
NPI 1235590456
Surgery in Bethesda, MD

Active since March 15, 2016PECOS Enrolled
97.58/100
CMS Quality Rating
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-4000 Get Directions Write a Review

NPPES record last updated: August 5, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 5, 2024, Sep 2, 2022, Jul 5, 2022 and 2 more (5 updates tracked since 2016).

About Alex Clem M.d. NPPES

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

ALEX CLEM M.D. (NPI 1235590456) is an individual surgery provider in Bethesda, Maryland, licensed in Indiana (01070024A) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235590456
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameALEX CLEMCredential: M.D.
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-4613
Mailing Address3551 Roger Brooke Dr, Jbsa, Ft. Sam HoustonSan Antonio, TX 78234-4504
Phone(301) 295-4000
Sole ProprietorYes
Enumeration DateMarch 15, 2016
Last NPPES UpdateAugust 5, 20245 updates tracked since enumeration
NPPES CertifiedAugust 5, 2024
✔ NPI 1235590456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in IN · 01070024A✔ Licensed in CO · DR.0067262
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 01079024A (IN)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8901 ROCKVILLE PIKE, Bethesda, MD 20889
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alex Clem M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Alex Clem reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Luminis Health Medical Group, LLC
7.8 mi
Clinic/Center
2970 BELCREST CENTER DR
Hyattsville, MD 20782
  • Reassigned Medicare billing, Maryland enrollment
  • 794 clinicians in this Medicare group
NPI 1811494990 (443) 481-1000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

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.

DR. LIESL SHOCKLEY GRENIER M.D.
Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MEGAN JUDITH LENIHAN MD
Surgery (Vascular Surgery)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
JOHNS HOPKINS UNIVERSITY
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 400-1382
NATASHA ANTONY MD
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4600
MR. ANDREW JOSEPH ULLMANN JR. DO
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (908) 635-6978
BRYCE TANNER GARDNER DMD
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4340
PARESH RAM PATEL MD
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4810
DR. BRADLEY ALLEN DENGLER M.D.
Neurological Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (610) 223-7261

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 Alex Clem's NPI number?

The NPI number for Alex Clem is 1235590456. It was assigned to this individual provider in the NPPES registry on March 15, 2016.

Where is Alex Clem located?

Alex Clem practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-4000.

What is Alex Clem's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Alex Clem enrolled in Medicare?

Yes. Alex Clem is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alex Clem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alex Clem reassigns Medicare benefits to Luminis Health Medical Group, LLC (Hyattsville, 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 Alex Clem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alex Clem accept?

Health plans from Select Health list Alex Clem as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alex Clem was last updated on August 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.