DR. CHARLES HOWARD ROSENFARB M.D.
NPI 1891898128
Family Medicine - Geriatric Medicine in Washington, DC

NPI Status: Active since September 05, 2006

Contact Information

2401 E STREET NW
M/MED/QI, SA-1
WASHINGTON, DC
ZIP 20522
Phone: (703) 875-4846
Fax: (703) 875-4853

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  • Individual
  • Male
  • Family Medicine
  • Geriatric Medicine

About CHARLES ROSENFARB

This page provides the complete NPI Profile along with additional information for Charles Rosenfarb, a primary care provider established in Washington, District Of Columbia with a medical specialization in Family Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1891898128 assigned on September 2006. The practitioner's primary taxonomy code is 207QG0300X with license number D31381 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1891898128
Provider Name
DR. CHARLES HOWARD ROSENFARB M.D.
Gender
Male
Entity Type
Individual
Location Address
2401 E STREET NW M/MED/QI, SA-1 WASHINGTON, DC 20522
Location Phone
(703) 875-4846
Location Fax
(703) 875-4853
Mailing Address
2401 E STREET NW M/MED/QI, SA-1 WASHINGTON, DC 20522
Is Sole Proprietor?
No
Enumeration Date
09-05-2006
Last Update Date
07-08-2007
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A primary care provider (PCP) like Charles Rosenfarb 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.
D31381
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.

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
B67310MEDICARE UPIN (02)MD 

Reviews for DR. CHARLES HOWARD ROSENFARB M.D.

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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 1891898128, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
Check
8
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 9 → 18 → 9 8 → 16 → 7 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 6 + 9 + 1 + 6 + 1 + 4 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1891898128.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physician Assistant
2401 E STREET NW, SUITE L-209
WASHINGTON, DC 20522
Internal Medicine (Infectious Disease)
2401 E STREET NW, U.S.DEPT.OF STATE,M/MED/QI,SA-1
WASHINGTON, DC 20522
Nurse Practitioner
2401 E STREET NW, US DEPT OF STATE OFFICE OF MEDICAL SERVICES QUALITY
WASHINGTON, DC 20522
Internal Medicine
2401 E STREET NW, M-MED-QI
WASHINGTON, DC 20522
Family Medicine
2401 E STREET NW, M/MED/QI, SA-1
WASHINGTON, DC 20522
Psychiatry & Neurology (Psychiatry)
2401 E STREET NW, MMED-QI SA-1
WASHINGTON, DC 20522
Nurse Practitioner
2401 E STREET NW, M MED QI, SA 1
WASHINGTON, DC 20522
Nurse Practitioner (Family)
2401 E STREET NW, M,MED,QI, SA-1
WASHINGTON, DC 20522
Physician Assistant (Medical)
2401 E STREET NW
WASHINGTON, DC 20522
Emergency Medicine
2401 E STREET NW
WASHINGTON, DC 20522
Public Health or Welfare
2401 E STREET NW, M-MED-QI, SA-1
WASHINGTON, DC 20522
Specialist
2401 E STREET NW
WASHINGTON, DC 20522
Physician Assistant
2401 E STREET NW, SA-1 (OFFICE OF MEDICAL SERVICES U.S. DEPT OF STATE)
WASHINGTON, DC 20522
Physician Assistant (Medical)
2401 E STREET NW, U.S.DEPT OF STATE M/MED/QI
WASHINGTON, DC 20522
Nurse Practitioner (Family)
2401 E STREET NW, US DEPT OF STATE M/MED/QI
WASHINGTON, DC 20522
Nurse Practitioner (Family)
2401 E STREET NW
WASHINGTON, DC 20522
Physician Assistant
2401 E STREET NW, M/MED/QI, SA-1
WASHINGTON, DC 20522
Clinic/Center (Health Service)
2401 E STREET NW, M.MED.QI, SA-1
WASHINGTON, DC 20522
Clinic/Center
2401 E STREET NW, M-MED-QI, SA-1
WASHINGTON, DC 20522
Family Medicine
2401 E STREET NW, OFFICE OF MEDICAL SERVICES, US DEPARTMENT OF STATE
WASHINGTON, DC 20522

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891898128, enumerated as an "individual" on September 05, 2006.

The provider is located at 2401 E STREET NW M/MED/QI, SA-1 WASHINGTON, DC 20522 and the phone number is (703) 875-4846.

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

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.