MID-ATLANTIC RHEUMATOLOGY
NPI 1891131918
Internal Medicine - Rheumatology in Millersville, MD

NPI Status: Active since May 15, 2013

Contact Information

231 NAJOLES RD STE 160
MILLERSVILLE, MD
ZIP 21108
Phone: (410) 787-9400

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  • Organization
  • Internal Medicine
  • Rheumatology
  • CLIA Number: 21D0916296
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 06-18-2026

About MID-ATLANTIC RHEUMATOLOGY

This page provides the complete NPI Profile along with additional information for Mid-atlantic Rheumatology, an internist established in Millersville, Maryland operating as a Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1891131918 assigned on May 2013. The practitioner's primary taxonomy code is 207RR0500X with license number D63979 (MD). The provider is registered as an organization and their NPI record was last updated 2 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Erinn Maury M.d. (Owner)

NPI
1891131918
Provider Name
MID-ATLANTIC RHEUMATOLOGY
Entity Type
Organization
Location Address
231 NAJOLES RD STE 160 MILLERSVILLE, MD 21108
Location Phone
(410) 787-9400
Mailing Address
231 NAJOLES RD STE 160 MILLERSVILLE, MD 21108
Mailing Phone
(410) 787-9400
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-15-2013
Last Update Date
02-20-2024
Code Navigator

An internist like Mid-atlantic Rheumatology is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

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

Internal Medicine Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
License No.
D63979
License State
MD
Taxonomy Description
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

DR. ERINN MAURY M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(410) 787-9400

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
21D0916296
Facility Type
Physician Office
Certificate Effective Date
June 19, 2024
Certificate Expiration Date
June 18, 2026
Laboratory Director
PAUL E. TURER MD
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to Mid-atlantic Rheumatology in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.

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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 1891131918, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
1
Doubled → 2
Check
8
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 9 → 18 → 9 1 → 2 1 → 2 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 2 + 3 + 2 + 9 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1891131918.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Internal Medicine (Rheumatology)
231 NAJOLES RD STE 160
MILLERSVILLE, MD 21108
Internal Medicine (Rheumatology)
231 NAJOLES RD STE 160
MILLERSVILLE, MD 21108

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891131918, enumerated as an "organization" on May 15, 2013.

The provider is located at 231 NAJOLES RD STE 160 MILLERSVILLE, MD 21108 and the phone number is (410) 787-9400.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.