DR. ROBERT LEE MARCUS M.D.
NPI 1033329586
Internal Medicine - Rheumatology in Baltimore, MD
NPI Status: Active since May 23, 2007
Contact Information
1576 MERRITT BLVD
SUITE 15
BALTIMORE, MD
ZIP 21222
Phone: (410) 285-8787
Fax: (410) 282-3579
- Individual
- Male
- Internal Medicine
- Rheumatology
About ROBERT MARCUS
This page provides the complete NPI Profile along with additional information for Robert Marcus, an internist established in Baltimore, Maryland with a medical specialization in Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1033329586 assigned on May 2007. The practitioner's primary taxonomy code is 207RR0500X with license number D0006997 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1033329586
- Provider Name
- DR. ROBERT LEE MARCUS M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1576 MERRITT BLVD SUITE 15 BALTIMORE, MD 21222
- Location Phone
- (410) 285-8787
- Location Fax
- (410) 282-3579
- Mailing Address
- P.O. BOX 3907 BALTIMORE, MD 21224
- Mailing Phone
- (410) 285-8787
- Mailing Fax
- (410) 282-3579
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-23-2007
- Last Update Date
- 07-08-2007
- Code Navigator
An internist like Robert Marcus 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 Rheumatology
- Taxonomy Code
- 207RR0500X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- D0006997
- License State
- MD
- Taxonomy Description
- An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| D76285 | MEDICARE UPIN (02) | MD | |
| 5673 | MEDICARE ID-TYPE UNSPECIFIED (04) | 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 1033329586, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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.
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 64 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 21222
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DUNDALK, MD 21222
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Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1033329586, enumerated as an "individual" on May 23, 2007.
The provider is located at 1576 MERRITT BLVD SUITE 15 BALTIMORE, MD 21222 and the phone number is (410) 285-8787.
Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
