JEROME S FISCHER MD
NPI 1083672679
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Antonio, TX

NPI Status: Active since May 03, 2006

Contact Information

5107 MEDICAL DRIVE
SAN ANTONIO, TX
ZIP 78229
Phone: (210) 614-8612
Fax: (210) 615-1666

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  • Individual
  • Male
  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism
  • Accepts Insurance
  • CLIA Number: 45D0973308
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 01-15-2026

About JEROME FISCHER

This page provides the complete NPI Profile along with additional information for Jerome Fischer, an internist established in San Antonio, Texas with a medical specialization in Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1083672679 assigned on May 2006. The practitioner's primary taxonomy code is 207RE0101X with license number G3997 (TX). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1083672679
Provider Name
JEROME S FISCHER MD
Gender
Male
Entity Type
Individual
Location Address
5107 MEDICAL DRIVE SAN ANTONIO, TX 78229
Location Phone
(210) 614-8612
Location Fax
(210) 615-1666
Mailing Address
5107 MEDICAL DRIVE SAN ANTONIO, TX 78229
Mailing Phone
(210) 614-8612
Mailing Fax
(210) 615-1666
Is Sole Proprietor?
No
Enumeration Date
05-03-2006
Last Update Date
06-09-2022
Code Navigator

An internist like Jerome Fischer 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 Endocrinology, Diabetes & Metabolism

Taxonomy Code
207RE0101X
Type
Allopathic & Osteopathic Physicians
License No.
G3997
License State
TX
Taxonomy Description
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Blue Advantage Bronze HMO? 204 - HMO
  • Blue Advantage Bronze HMO? 301 - HMO
  • Blue Advantage Bronze HMO? Standard - HMO
  • Blue Advantage Gold HMO? 206 - HMO
  • Blue Advantage Gold HMO? 603 - HMO
  • Blue Advantage Gold HMO? Standard - HMO
  • Blue Advantage Plus Bronze? 303 - POS
  • Blue Advantage Plus Bronze? 305 - POS
  • Blue Advantage Plus Bronze? Standard - POS
  • Blue Advantage Plus Gold? 203 - POS
  • Blue Advantage Plus Gold? 803 - POS
  • Blue Advantage Plus Gold? Standard - POS
  • Blue Advantage Plus Silver? 202 - POS
  • Blue Advantage Plus Silver? 605 - POS
  • Blue Advantage Plus Silver? Standard - POS
  • Blue Advantage Security HMO? 200 - HMO
  • Blue Advantage Silver HMO? 205 - HMO
  • Blue Advantage Silver HMO? 801 - HMO
  • Blue Advantage Silver HMO? Standard - HMO

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
128792201MEDICAID (05)TX 

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
45D0973308
Facility Type
Physician Office
Certificate Effective Date
January 16, 2024
Certificate Expiration Date
January 15, 2026
Laboratory Director
JEROME T. WASHINGTON
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to Jerome Fischer in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.

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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 1083672679, 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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
2
Doubled → 4
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 8 → 16 → 7 6 → 12 → 3 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 2 + 7 + 4 + 6 + 1 + 4 + 24 = 61

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.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1083672679.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Internal Medicine (Endocrinology, Diabetes & Metabolism)
5107 MEDICAL DRIVE
SAN ANTONIO, TX 78229
Dietitian, Registered
5107 MEDICAL DRIVE
SAN ANTONIO, TX 78229
Dietitian, Registered
5107 MEDICAL DRIVE
SAN ANTONIO, TX 78229
Dietitian, Registered
5107 MEDICAL DRIVE
SAN ANTONIO, TX 78229
Dietitian, Registered
5107 MEDICAL DRIVE
SAN ANTONIO, TX 78229
Dietitian, Registered
5107 MEDICAL DRIVE
SAN ANTONIO, TX 78229
Internal Medicine (Endocrinology, Diabetes & Metabolism)
5107 MEDICAL DRIVE
SAN ANTONIO, TX 78229
Internal Medicine (Endocrinology, Diabetes & Metabolism)
5107 MEDICAL DRIVE
SAN ANTONIO, TX 78229
Internal Medicine (Endocrinology, Diabetes & Metabolism)
5107 MEDICAL DRIVE
SAN ANTONIO, TX 78229
Pharmacist
5107 MEDICAL DRIVE
SAN ANTONIO, TX 78229

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083672679, enumerated as an "individual" on May 03, 2006.

The provider is located at 5107 MEDICAL DRIVE SAN ANTONIO, TX 78229 and the phone number is (210) 614-8612.

Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.

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