DR. DAVID ANTHONY MESCHER M.D.
NPI 1912908856
Internal Medicine - Pulmonary Disease in Oxnard, CA
NPI Status: Active since August 02, 2005
Contact Information
2901 N VENTURA RD STE 120
OXNARD, CA
ZIP 93036
Phone: (805) 485-7877
Fax: (805) 981-4472
- Individual
- Male
- Internal Medicine
- Pulmonary Disease
About DAVID MESCHER
This page provides the complete NPI Profile along with additional information for David Mescher, an internist established in Oxnard, California with a medical specialization in Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1912908856 assigned on August 2005. The practitioner's primary taxonomy code is 207RP1001X with license number G28066 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.
- NPI
- 1912908856
- Provider Name
- DR. DAVID ANTHONY MESCHER M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2901 N VENTURA RD STE 120 OXNARD, CA 93036
- Location Phone
- (805) 485-7877
- Location Fax
- (805) 981-4472
- Mailing Address
- 3400 DATA DR ATTN CREDENTIALING/PAYER ENROLLMENT RANCHO CORDOVA, CA 95670
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-02-2005
- Last Update Date
- 08-18-2020
- Code Navigator
An internist like David Mescher 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 Pulmonary Disease
- Taxonomy Code
- 207RP1001X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G28066
- License State
- CA
- Taxonomy Description
- An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
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 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | G28066 (CA) |
| 2 | 207RC0200X | Allopathic & Osteopathic Physicians | Internal Medicine | G28066 (CA) |
| 3 | 207RS0012X | Allopathic & Osteopathic Physicians | Internal Medicine | G28066 (CA) |
| 4 | 208M00000X | Allopathic & Osteopathic Physicians | Hospitalist | G28066 (CA) |
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Telephone medical discussion with physician, 21-30 minutes
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
This service was performed 28 times for 22 patientsThis is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
This service was performed 15 times for 14 patientsThis service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
This service was performed 18 times for 15 patientsReviews for DR. DAVID ANTHONY MESCHER M.D.
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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 1912908856, 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.
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 64 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1912908856, enumerated as an "individual" on August 02, 2005.
The provider is located at 2901 N VENTURA RD STE 120 OXNARD, CA 93036 and the phone number is (805) 485-7877.
Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.
