MICHAEL JOSEPH WELCH M.D.
NPI 1699794222
Allergy & Immunology in San Diego, CA
NPI Status: Active since July 18, 2006
Contact Information
5776 RUFFIN RD
SAN DIEGO, CA
ZIP 92123
Phone: (858) 292-1144
Fax: (858) 268-5145
- Individual
- Male
- Allergy & Immunology
About MICHAEL WELCH
This page provides the complete NPI Profile along with additional information for Michael Welch, a provider established in San Diego, California with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1699794222 assigned on July 2006. The practitioner's primary taxonomy code is 207K00000X with license number G34844 (CA). The provider is registered as an individual and his NPI record was last updated 10 years ago.
- NPI
- 1699794222
- Provider Name
- MICHAEL JOSEPH WELCH M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 5776 RUFFIN RD SAN DIEGO, CA 92123
- Location Phone
- (858) 292-1144
- Location Fax
- (858) 268-5145
- Mailing Address
- 3020 CHILDRENS WAY MC5003 SAN DIEGO, CA 92123
- Mailing Phone
- (858) 309-6300
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-18-2006
- Last Update Date
- 03-14-2016
- Code Navigator
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
Allergy & Immunology
- Taxonomy Code
- 207K00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G34844
- License State
- CA
- Taxonomy Description
- An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 208000000X | Allopathic & Osteopathic Physicians | Pediatrics | G34844 (CA) |
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 |
|---|---|---|---|
| A91634 | MEDICARE UPIN (02) | CA |
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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 1699794222, we treat the final digit (2) 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 2).
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 78 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 13 providers are registered at the same or a nearby location.
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1699794222, enumerated as an "individual" on July 18, 2006.
The provider is located at 5776 RUFFIN RD SAN DIEGO, CA 92123 and the phone number is (858) 292-1144.
Allergy & Immunology with taxonomy code 207K00000X.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
