LISA MYERS GRUBB
NPI 1427913342
Nurse Practitioner - Family in Baltimore, MD
NPI Status: Active since December 23, 2025
Contact Information
4940 EASTERN AVE
BALTIMORE, MD
ZIP 21224
Phone: (410) 550-0526
Fax: (410) 550-0100
- Individual
- Female
- Nurse Practitioner
- Family
About LISA GRUBB
This page provides the complete NPI Profile along with additional information for Lisa Grubb, a provider established in Baltimore, Maryland with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1427913342 assigned on December 2025. The practitioner's primary taxonomy code is 363LF0000X with license number R109114 (MD). The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1427913342
- Provider Name
- LISA MYERS GRUBB
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 4940 EASTERN AVE BALTIMORE, MD 21224
- Location Phone
- (410) 550-0526
- Location Fax
- (410) 550-0100
- Mailing Address
- 6201 GREENLEIGH AVE MIDDLE RIVER, MD 21220
- Mailing Phone
- (410) 933-0000
- Mailing Fax
- (410) 550-0100
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-23-2025
- Last Update Date
- 02-20-2026
- Code Navigator
A nurse practitioner (NP) like Lisa Grubb is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.
Location Map
Secondary Locations
- 6064 Toomey Ln
Elkridge, MD 21075
(443) 832-8247
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
Nurse Practitioner Family
- Taxonomy Code
- 363LF0000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- R109114
- License State
- MD
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) |
|---|---|---|---|---|
| 1 | 163WW0000X | Nursing Service Providers | Registered Nurse | R109114 (MD) |
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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 1427913342, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 68 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
BALTIMORE, MD 21224
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1427913342, enumerated as an "individual" on December 23, 2025.
The provider is located at 4940 EASTERN AVE BALTIMORE, MD 21224 and the phone number is (410) 550-0526.
Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.
