GASTROENTEROLOGY SPECIALISTS OF FREDERICK, P.A.
NPI 1427012053
Internal Medicine - Gastroenterology in Frederick, MD

NPI Status: Active since April 12, 2006

Contact Information

85 THOMAS JOHNSON CT
SUITE B
FREDERICK, MD
ZIP 21702
Phone: (301) 663-9440
Fax: (301) 663-4602

Get Directions Write a Review

  • Organization
  • Internal Medicine
  • Gastroenterology
  • CLIA Number: 21D0898621
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 12-03-2027

About GASTROENTEROLOGY SPECIALISTS OF FREDERICK, P.A.

This page provides the complete NPI Profile along with additional information for Gastroenterology Specialists Of Frederick, P.a., an internist established in Frederick, Maryland operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1427012053 assigned on April 2006. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Michael Rifkin M.d. (Physician-owner)

NPI
1427012053
Provider Name
GASTROENTEROLOGY SPECIALISTS OF FREDERICK, P.A.
Entity Type
Organization
Location Address
85 THOMAS JOHNSON CT SUITE B FREDERICK, MD 21702
Location Phone
(301) 663-9440
Location Fax
(301) 663-4602
Mailing Address
85 THOMAS JOHNSON CT SUITE B FREDERICK, MD 21702
Mailing Phone
(301) 663-9440
Mailing Fax
(301) 663-4602
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-12-2006
Last Update Date
08-22-2020
Code Navigator

An internist like Gastroenterology Specialists Of Frederick, P.a. 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
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. MICHAEL RIFKIN M.D.

Authorized Official Title
PHYSICIAN-OWNER
Authorized Official Phone
(301) 663-9440

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
KG87OTHER (01)MDCAREFIRST BLUE CROSS/SHIE

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
21D0898621
Facility Type
Physician Office
Certificate Effective Date
December 04, 2025
Certificate Expiration Date
December 03, 2027
Laboratory Director
WILLIAM F. WINECOFF
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Gastroenterology Specialists Of Frederick, P.a. after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

Reviews for GASTROENTEROLOGY SPECIALISTS OF FREDERICK, P.A.

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 1427012053, 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 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.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
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 2 → 4 0 → 0 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 0 + 1 + 4 + 0 + 1 + 0 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1427012053.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Physician Assistant
85 THOMAS JOHNSON CT, SUITE B
FREDERICK, MD 21702
Anesthesiology
85 THOMAS JOHNSON CT, SUITE E
FREDERICK, MD 21702
Dentist (Endodontics)
85 THOMAS JOHNSON CT, SUITE A
FREDERICK, MD 21702
Nurse Practitioner
85 THOMAS JOHNSON CT, SUITE D
FREDERICK, MD 21702
Internal Medicine (Gastroenterology)
85 THOMAS JOHNSON CT, SUITE B
FREDERICK, MD 21702
Anesthesiology
85 THOMAS JOHNSON CT, SUITE C
FREDERICK, MD 21702
Internal Medicine
85 THOMAS JOHNSON CT, SUITE C
FREDERICK, MD 21702
Clinic/Center (Endoscopy)
85 THOMAS JOHNSON CT, SUITE E
FREDERICK, MD 21702
Dentist (Endodontics)
85 THOMAS JOHNSON CT, SUITE A
FREDERICK, MD 21702

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427012053, enumerated as an "organization" on April 12, 2006.

The provider is located at 85 THOMAS JOHNSON CT SUITE B FREDERICK, MD 21702 and the phone number is (301) 663-9440.

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

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