NATIONAL REHABILITATION HOSPITAL, INC.
NPI 1306223227
Clinic/Center - Rehabilitation in Ellicott City, MD

NPI Status: Active since April 29, 2015

Contact Information

9501 OLD ANNAPOLIS RD STE 125&220
ELLICOTT CITY, MD
ZIP 21042
Phone: (410) 997-1063
Fax: (410) 997-1408

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  • Organization
  • Clinic/Center
  • Rehabilitation

About NATIONAL REHABILITATION HOSPITAL, INC.

This page provides the complete NPI Profile along with additional information for National Rehabilitation Hospital, Inc., a provider established in Ellicott City, Maryland operating as a Clinic/center, focusing in rehabilitation . The healthcare provider is registered in the NPI registry with number 1306223227 assigned on April 2015. The practitioner's primary taxonomy code is 261QR0400X. The provider is registered as an organization and their NPI record was last updated March 2026. National Rehabilitation Hospital, Inc. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is John Rockwood (President)

NPI
1306223227
Provider Legal Name
NATIONAL REHABILITATION HOSPITAL, INC.
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
9501 OLD ANNAPOLIS RD STE 125&220 ELLICOTT CITY, MD 21042
Location Phone
(410) 997-1063
Location Fax
(410) 997-1408
Mailing Address
102 IRVING ST NW ATTN: MHPT PAYOR ENROLLMENT WASHINGTON, DC 20010
Mailing Phone
(301) 540-6140
Mailing Fax
(410) 997-1408
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
04-29-2015
Last Update Date
03-20-2026
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Clinic/Center Rehabilitation

Taxonomy Code
261QR0400X
Type
Ambulatory Health Care Facilities

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1225100000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Physical Therapist

 
2225X00000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Occupational Therapist

 
3235Z00000XSpeech, Language and Hearing Service Providers

Speech-Language Pathologist

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

JOHN ROCKWOOD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(301) 540-6140

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1306223227, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
Pos 8
2
Unchanged
Pos 9
2
Doubled → 4
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 0 → 0 2 → 4 3 → 6 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 0 + 6 + 4 + 2 + 6 + 2 + 4 + 24 = 53

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1306223227.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306223227, enumerated as an "organization" on April 29, 2015.

The provider is located at 9501 OLD ANNAPOLIS RD STE 125&220 ELLICOTT CITY, MD 21042 and the phone number is (410) 997-1063.

Clinic/Center with taxonomy code 261QR0400X and a focus in Rehabilitation.