DAS AND DAS LLC
NPI 1992683924
Internal Medicine - Geriatric Medicine in Greenbelt, MD
NPI Status: Active since August 26, 2025
Contact Information
7741 BELLE POINT DR
GREENBELT, MD
ZIP 20770
Phone: (443) 682-5600
Fax: (206) 231-0971
- Organization
- Internal Medicine
- Geriatric Medicine
- CLIA Number: 21D2336952
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 01-13-2028
About DAS AND DAS LLC
This page provides the complete NPI Profile along with additional information for Das And Das Llc, an internist established in Greenbelt, Maryland operating as a Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1992683924 assigned on August 2025. The practitioner's primary taxonomy code is 207RG0300X. The provider is registered as an organization and their NPI record was last updated one year ago. Das And Das 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 Dr. Manash Kanti Das Md (Ceo)
- NPI
- 1992683924
- Provider Name
- DAS AND DAS LLC
- Entity Type
- Organization
- Location Address
- 7741 BELLE POINT DR GREENBELT, MD 20770
- Location Phone
- (443) 682-5600
- Location Fax
- (206) 231-0971
- Mailing Address
- 9500 FAIRCREST CIR BOWIE, MD 20721
- Mailing Phone
- (443) 682-5600
- Mailing Fax
- (206) 231-0971
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 08-26-2025
- Last Update Date
- 10-18-2025
- Code Navigator
An internist like Das And Das Llc 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 Geriatric Medicine
- Taxonomy Code
- 207RG0300X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- An internist who has 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.
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.
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
- 21D2336952
- Facility Type
- Physician Office
- Certificate Effective Date
- January 14, 2026
- Certificate Expiration Date
- January 13, 2028
- Laboratory Director
- MANASH DAS
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Das And Das 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.
Reviews for DAS AND DAS LLC
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1992683924, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).
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 76 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1992683924, enumerated as an "organization" on August 26, 2025.
The provider is located at 7741 BELLE POINT DR GREENBELT, MD 20770 and the phone number is (443) 682-5600.
Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.
