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DR. ELEANOR HOLDNACK D.C.
NPI 1609207109
Chiropractor in Clinton, MD

Active since December 09, 2013
9135 PISCATAWAY RD, STE 305, CLINTON, MD 20735(301) 877-2323(301) 877-2366 Get Directions Write a Review

NPPES record last updated: September 23, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Eleanor Holdnack D.c. NPPES

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

DR. ELEANOR HOLDNACK D.C. (NPI 1609207109) is an individual chiropractor in Clinton, Maryland, licensed in Maryland (S03822) and active in the NPI registry since December 2013. She is a graduate of New York Chiropractic College (2013).

NPPES Registry Identity

NPI1609207109
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameDR. ELEANOR HOLDNACKCredential: D.C.
Location Address9135 PISCATAWAY RD, STE 305Clinton, MD 20735-2549
Mailing Address5252 Lyngate Ct, Ste 203Burke, VA 22015-1672 · (703) 239-2300 · Fax (703) 239-2301
Phone(301) 877-2323
Fax(301) 877-2366
Sole ProprietorNo
Medical School CMSNew York Chiropractic CollegeGraduated 2013
Enumeration DateDecember 9, 2013
Last NPPES UpdateSeptember 23, 2015
✔ NPI 1609207109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
Licenses✔ Licensed in MD · S03822✔ Licensed in NY · 012451✔ Licensed in DC · CH030147✔ Licensed in VA · 0104557214
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.
9135 PISCATAWAY RD, Clinton, MD 20735
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Other Identifiers 3

OtherK949 - 0073VA · Carefirst
OtherK949 - 0073DC · Carefirst
Other8825 - 0033MD · Carefirst

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Eleanor Holdnack D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2769614270
PECOS Enrollment IDI20180611002639

Medicare Billing Reassignment

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

Rxwellness Spine & Health - Rockville LLC
28 mi
Chiropractor
15001 SHADY GROVE RD STE 140
Rockville, MD 20850
  • Reassigned Medicare billing, District of Columbia enrollment
  • 6 clinicians in this Medicare group
NPI 1477153427 (703) 904-9666

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 20

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

MEDSTAR MEDICAL GROUP II LLC
General Practice
9135 PISCATAWAY RD
CLINTON, MD 20735
Prince George's County (301) 866-1380
PEDIATRIC PARTNERS OF SOUTHERN MARYLAND, PA
Pediatrics
9135 PISCATAWAY RD, SUITE 240
CLINTON, MD 20735
Prince George's County (301) 868-3474
DR. ALVIN BERNARD WILLIAMS DDS
Dentist (General Practice)
9135 PISCATAWAY RD, SUITE 105
CLINTON, MD 20735
Prince George's County (301) 877-1622
MS. MARY KATHRYN PROCTOR CRNP
Nurse Practitioner (Family)
9135 PISCATAWAY RD, SUITE 420
CLINTON, MD 20735
Prince George's County (301) 868-2555
ALVIN B. WILLIAMS, INC.
Dentist (General Practice)
9135 PISCATAWAY RD, SUITE 105
CLINTON, MD 20735
Prince George's County (301) 877-1622
PANKAJKUMAR LOHABARE PT
Physical Therapist
9135 PISCATAWAY RD, SUITE 305
CLINTON, MD 20735
Prince George's County (301) 877-2323
JAY STUART COPELAND MD
Urology
9135 PISCATAWAY RD, STE 330
CLINTON, MD 20735
Prince George's County (301) 856-3233
POTOMAC ALLERGY & ASTHMA P.C.
Allergy & Immunology (Allergy)
9135 PISCATAWAY RD, SUITE 215
CLINTON, MD 20735
Prince George's County (301) 868-9313

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 Eleanor Holdnack's NPI number?

The NPI number for Eleanor Holdnack is 1609207109. It was assigned to this individual provider in the NPPES registry on December 9, 2013.

Where is Eleanor Holdnack located?

Eleanor Holdnack practices at 9135 Piscataway Rd Ste 305, Clinton, MD 20735. The listed phone number is (301) 877-2323.

What is Eleanor Holdnack's specialty?

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

Is Eleanor Holdnack enrolled in Medicare?

Yes. Eleanor Holdnack is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Eleanor Holdnack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eleanor Holdnack reassigns Medicare benefits to Rxwellness Spine & Health - Rockville LLC (Rockville, 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 Eleanor Holdnack'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 Eleanor Holdnack was last updated on September 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.