IMMEDIATE HOUSECALLS, LLC
NPI 1801257720
Family Medicine - Geriatric Medicine in Ellicott City, MD

NPI Status: Active since March 20, 2016

Contact Information

3459 SAINT JOHNS LN
STE 9
ELLICOTT CITY, MD
ZIP 21042
Phone: (301) 893-4124
Fax: (703) 662-6165

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  • Organization
  • Family Medicine
  • Geriatric Medicine

About IMMEDIATE HOUSECALLS, LLC

This page provides the complete NPI Profile along with additional information for Immediate Housecalls, Llc, a primary care provider established in Ellicott City, Maryland operating as a Family Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1801257720 assigned on March 2016. The practitioner's primary taxonomy code is 207QG0300X with license number D0081318 (MD). The provider is registered as an organization and their NPI record was last updated one year ago. Immediate Housecalls, Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Jiho Choi M.d. (Owner/staff Physician)

NPI
1801257720
Provider Name
IMMEDIATE HOUSECALLS, LLC
Entity Type
Organization
Location Address
3459 SAINT JOHNS LN STE 9 ELLICOTT CITY, MD 21042
Location Phone
(301) 893-4124
Location Fax
(703) 662-6165
Mailing Address
4216 EVERGREEN LN STE 121 ANNANDALE, VA 22003
Mailing Phone
(301) 893-4124
Mailing Fax
(703) 662-6165
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-20-2016
Last Update Date
10-10-2025
Code Navigator

A primary care provider (PCP) like Immediate Housecalls, Llc sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Family Medicine Geriatric Medicine

Taxonomy Code
207QG0300X
Type
Allopathic & Osteopathic Physicians
License No.
D0081318
License State
MD
Taxonomy Description
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.

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)
1171100000XOther Service Providers

Acupuncturist

 
2225700000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Massage Therapist

 

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

JIHO CHOI M.D.

Authorized Official Title
OWNER/STAFF PHYSICIAN
Authorized Official Phone
(910) 920-0048

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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 1801257720, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
0
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 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 4 + 5 + 1 + 4 + 7 + 4 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1801257720.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Internal Medicine
3459 SAINT JOHNS LN, SUITE 9
ELLICOTT CITY, MD 21042
Dentist (General Practice)
3459 SAINT JOHNS LN, SUITE 1
ELLICOTT CITY, MD 21042
Internal Medicine
3459 SAINT JOHNS LN, SUITE 9
ELLICOTT CITY, MD 21042
Podiatrist (Primary Podiatric Medicine)
3459 SAINT JOHNS LN
ELLICOTT CITY, MD 21042
Clinical Nurse Specialist (Psychiatric/Mental Health, Child & Family)
3459 SAINT JOHNS LN
ELLICOTT CITY, MD 21042

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801257720, enumerated as an "organization" on March 20, 2016.

The provider is located at 3459 SAINT JOHNS LN STE 9 ELLICOTT CITY, MD 21042 and the phone number is (301) 893-4124.

Family Medicine with taxonomy code 207QG0300X and a focus in Geriatric Medicine.