JOHN S. FARRELL, M.D., P.C.
NPI 1770739419
Internal Medicine - Gastroenterology in Saint Louis, MO
NPI Status: Active since August 13, 2008
Contact Information
621 S NEW BALLAS RD
SUITE 584A
SAINT LOUIS, MO
ZIP 63141
Phone: (314) 251-6966
Fax: (314) 251-6632
- Organization
- Internal Medicine
- Gastroenterology
About JOHN S. FARRELL, M.D., P.C.
This page provides the complete NPI Profile along with additional information for John S. Farrell, M.d., P.c., an internist established in Saint Louis, Missouri operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1770739419 assigned on August 2008. The practitioner's primary taxonomy code is 207RG0100X with license number R5636 (MO). The provider is registered as an organization and their NPI record was last updated 17 years ago. John S. Farrell, M.d., P.c. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is John S Farrell M.d. (President)
- NPI
- 1770739419
- Provider Name
- JOHN S. FARRELL, M.D., P.C.
- Entity Type
- Organization
- Location Address
- 621 S NEW BALLAS RD SUITE 584A SAINT LOUIS, MO 63141
- Location Phone
- (314) 251-6966
- Location Fax
- (314) 251-6632
- Mailing Address
- 621 S NEW BALLAS RD SUITE 584A SAINT LOUIS, MO 63141
- Mailing Phone
- (314) 251-6966
- Mailing Fax
- (314) 251-6632
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 08-13-2008
- Last Update Date
- 05-27-2009
- Code Navigator
An internist like John S. Farrell, M.d., P.c. 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.
- R5636
- License State
- MO
- 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 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas 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.
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 |
|---|---|---|---|
| 7014353 | OTHER (01) | MO | ESSENCE |
| 200162204 | MEDICAID (05) | MO | |
| 000004017 | MEDICARE PIN (08) | MO | |
| 21591 | OTHER (01) | MO | BLUE CROSS BLUE SHIELD |
| 2900001 | OTHER (01) | MO | UHC |
Reviews for JOHN S. FARRELL, M.D., P.C.
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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 1770739419, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
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 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
SAINT LOUIS, MO 63141
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1770739419, enumerated as an "organization" on August 13, 2008.
The provider is located at 621 S NEW BALLAS RD SUITE 584A SAINT LOUIS, MO 63141 and the phone number is (314) 251-6966.
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.
