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DR. JUSTIN M KLEIN D.C.
NPI 1497905673
Chiropractor in Washington, DC

Active since September 24, 2008
4900 MASSACHUSETTS AVE NW, SUITE 250, WASHINGTON, DC 20016(202) 629-3536(202) 379-1485 Get Directions Write a Review

NPPES record last updated: June 5, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 5, 2023, Sep 26, 2016 (2 updates tracked since 2016).

About Dr. Justin M Klein D.c. NPPES

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

DR. JUSTIN M KLEIN D.C. (NPI 1497905673) is an individual chiropractor in Washington, District Of Columbia, licensed in District Of Columbia (CH090093) and active in the NPI registry since September 2008.

NPPES Registry Identity

NPI1497905673
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. JUSTIN M KLEINCredential: D.C.
Location Address4900 MASSACHUSETTS AVE NW, SUITE 250Washington, DC 20016-4358
Mailing Address7808 Tilbury St Apt 8Bethesda, MD 20814-3549 · (301) 717-4722
Phone(202) 629-3536
Fax(202) 379-1485
Sole ProprietorYes
Enumeration DateSeptember 24, 2008
Last NPPES UpdateJune 5, 20232 updates tracked since enumeration
NPPES CertifiedJune 5, 2023
✔ NPI 1497905673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in DC · CH090093
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
4900 MASSACHUSETTS AVE NW, Washington, DC 20016
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Justin M Klein D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Woudsma Chiropractic Assoc. Inc.
126 mi
Chiropractor
454 GERMANTOWN PIKE
Lafayette Hill, PA 19444
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4 clinicians in this Medicare group
NPI 1972629335 (215) 836-8888

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

Other Providers at the Same Location NPPES 17

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

DR. STEVEN PHILIPS DDS
Dentist (General Practice)
4900 MASSACHUSETTS AVE NW, SUITE 200
WASHINGTON, DC 20016
District of Columbia (202) 244-5900
MRS. LISA MARIAN DIAMOND-RAAB MA, LPC, ATR, CP
Counselor (Professional)
4900 MASSACHUSETTS AVE NW, SUITE 111
WASHINGTON, DC 20016
District of Columbia (202) 244-6989
DR. FRANCIS M PALUMBO M.D.
Pediatrics
4900 MASSACHUSETTS AVE NW, LOWER LEVEL
WASHINGTON, DC 20016
District of Columbia (202) 966-5000
TSION ZEWDE
Home Health Aide
4900 MASSACHUSETTS AVE NW, SUITE 330
WASHINGTON, DC 20016
District of Columbia (202) 243-0110
GOT YOUR BACK CHIROPRACTIC, PC
Chiropractor
4900 MASSACHUSETTS AVE NW, SUITE 250
WASHINGTON, DC 20016
District of Columbia (202) 629-3536
DR. L.HARRISON PILLSBURY
Pediatrics
4900 MASSACHUSETTS AVE NW, LOWER LEVEL
WASHINGTON, DC 20016
District of Columbia (202) 966-5000
CENTER PHARMACY
Pharmacy (Community/Retail Pharmacy)
4900 MASSACHUSETTS AVE NW
WASHINGTON, DC 20016
District of Columbia (202) 363-9240
DR. JOANNA M SEXTER M.D.
Pediatrics
4900 MASSACHUSETTS AVE NW, LOWER LEVEL
WASHINGTON, DC 20016
District of Columbia (202) 966-5000

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 Justin Klein's NPI number?

The NPI number for Justin Klein is 1497905673. It was assigned to this individual provider in the NPPES registry on September 24, 2008.

Where is Justin Klein located?

Justin Klein practices at 4900 Massachusetts Ave NW Suite 250, Washington, DC 20016. The listed phone number is (202) 629-3536.

What is Justin Klein's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Justin Klein enrolled in Medicare?

Yes. Justin Klein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Justin Klein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Klein reassigns Medicare benefits to Woudsma Chiropractic Assoc. Inc. (Lafayette Hill, PA). 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 Justin Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Justin Klein was last updated on June 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.