DR. MICHAEL HOWARD RIFKIN M.D.
NPI 1932198116
Internal Medicine - Gastroenterology in Frederick, MD

NPI Status: Active since October 19, 2005

Contact Information

6914 GREENVALE CT
FREDERICK, MD
ZIP 21702
Phone: (301) 401-6890
Fax: (301) 694-2728

Get Directions Write a Review

  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About MICHAEL RIFKIN

This page provides the complete NPI Profile along with additional information for Michael Rifkin, an internist established in Frederick, Maryland with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1932198116 assigned on October 2005. The practitioner's primary taxonomy code is 207RG0100X with license number D0043025 (MD). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1932198116
Provider Name
DR. MICHAEL HOWARD RIFKIN M.D.
Gender
Male
Entity Type
Individual
Location Address
6914 GREENVALE CT FREDERICK, MD 21702
Location Phone
(301) 401-6890
Location Fax
(301) 694-2728
Mailing Address
6914 GREENVALE CT FREDERICK, MD 21702
Mailing Phone
(301) 401-6890
Mailing Fax
(301) 694-2728
Is Sole Proprietor?
No
Enumeration Date
10-19-2005
Last Update Date
01-19-2018
Code Navigator

An internist like Michael Rifkin 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
D0043025
License State
MD
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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.

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
413697OTHER (01)MDMAMSI
52-2111986OTHER (01)MDUNITED HEALTHCARE
533144-03OTHER (01)MDCAREFIRST BLUE CROSS
258100100MEDICAID (05)MD 

Reviews for DR. MICHAEL HOWARD RIFKIN M.D.

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 1932198116, 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.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
3
Doubled → 6
Pos 4
2
Unchanged
Pos 5
1
Doubled → 2
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
Check
6
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 3 → 6 1 → 2 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 6 + 2 + 2 + 9 + 1 + 6 + 1 + 2 + 24 = 64

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.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1932198116.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1932198116, enumerated as an "individual" on October 19, 2005.

The provider is located at 6914 GREENVALE CT FREDERICK, MD 21702 and the phone number is (301) 401-6890.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

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