DR. HOWARD L TRACER MD
NPI 1568532083
Internal Medicine - Endocrinology, Diabetes & Metabolism in Largo, MD
NPI Status: Active since November 09, 2006
Contact Information
1221 MERCANTILE LANE
LARGO, MD
ZIP 20774
Phone: (301) 618-5680
Fax: (301) 618-5673
- Individual
- Male
- Internal Medicine
- Endocrinology, Diabetes & Metabolism
About HOWARD TRACER
This page provides the complete NPI Profile along with additional information for Howard Tracer, an internist established in Largo, Maryland with a medical specialization in Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1568532083 assigned on November 2006. The practitioner's primary taxonomy code is 207RE0101X with license number MD19240 (DC). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1568532083
- Provider Name
- DR. HOWARD L TRACER MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1221 MERCANTILE LANE LARGO, MD 20774
- Location Phone
- (301) 618-5680
- Location Fax
- (301) 618-5673
- Mailing Address
- 2101 EAST JEFFERSON STREET PPQA MEDICARE COMPLIANCE UNIT 6 WEST ATTN THERESA BROOK ROCKVILLE, MD 20852
- Mailing Phone
- (301) 816-6660
- Mailing Fax
- (301) 618-5673
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-09-2006
- Last Update Date
- 09-11-2025
- Code Navigator
An internist like Howard Tracer 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 Endocrinology, Diabetes & Metabolism
- Taxonomy Code
- 207RE0101X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD19240
- License State
- DC
- Taxonomy Description
- An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
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 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | D41823 (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 1568532083, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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 57 is 60. 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.
LARGO, MD 20774
LARGO, MD 20774
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1568532083, enumerated as an "individual" on November 09, 2006.
The provider is located at 1221 MERCANTILE LANE LARGO, MD 20774 and the phone number is (301) 618-5680.
Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.
