LHMG MEDICAL GROUP, LLC
NPI 1447759246
Obstetrics & Gynecology in Gambrills, MD

NPI Status: Active since February 07, 2018

Contact Information

2401 BRANDERMILL BOULEVARD SUITE 350
GAMBRILLS, MD
ZIP 21054
Phone:

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  • Organization
  • Obstetrics & Gynecology
  • CLIA Number: 21D0965170
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 05-28-2027

About LHMG MEDICAL GROUP, LLC

This page provides the complete NPI Profile along with additional information for Lhmg Medical Group, Llc, a women's health care provider established in Gambrills, Maryland operating as a Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1447759246 assigned on February 2018. The practitioner's primary taxonomy code is 207V00000X. The provider is registered as an organization and their NPI record was last updated February 2026. 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 provider's . The authorized official of this NPI record is Melissa Rapattoni (Ao)

NPI
1447759246
Provider Legal Name
LHMG MEDICAL GROUP, LLC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
2401 BRANDERMILL BOULEVARD SUITE 350 GAMBRILLS, MD 21054
Location Phone
Mailing Address
2000 MEDICAL PKWY STE 409 ANNAPOLIS, MD 21401
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-07-2018
Last Update Date
02-25-2026
Code Navigator

Women's health care providers like Lhmg Medical Group, Llc treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

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

MELISSA RAPATTONI

Authorized Official Title
AO
Authorized Official Phone
(410) 490-7780

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
21D0965170
Facility Type
Physician Office
Certificate Effective Date
May 29, 2025
Certificate Expiration Date
May 28, 2027
Laboratory Director
DR. ANDREW MCGLONE
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Lhmg Medical Group, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1447759246, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
4
Unchanged
Pos 3
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
4
Doubled → 8
Check
6
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 4 → 8 7 → 14 → 5 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 1 + 4 + 5 + 1 + 8 + 2 + 8 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1447759246.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447759246, enumerated as an "organization" on February 07, 2018.

The provider is located at 2401 BRANDERMILL BOULEVARD SUITE 350 GAMBRILLS, MD 21054 and the phone number is .

Obstetrics & Gynecology with taxonomy code 207V00000X.