DR. ALEXANDER IAN SHERZER M.D.
NPI 1639364672
Internal Medicine in Bonita Springs, FL

NPI Status: Active since September 12, 2007

Contact Information

9200 BONITA BEACH RD SE
BONITA SPRINGS, FL
ZIP 34135
Phone: (239) 785-0262

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  • Individual
  • Male
  • Internal Medicine

About ALEXANDER SHERZER

This page provides the complete NPI Profile along with additional information for Alexander Sherzer, an internist established in Bonita Springs, Florida with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1639364672 assigned on September 2007. The practitioner's primary taxonomy code is 207R00000X with license number 254408 (NY). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1639364672
Provider Name
DR. ALEXANDER IAN SHERZER M.D.
Gender
Male
Entity Type
Individual
Location Address
9200 BONITA BEACH RD SE BONITA SPRINGS, FL 34135
Location Phone
(239) 785-0262
Mailing Address
9200 BONITA BEACH RD SE BONITA SPRINGS, FL 34135
Mailing Phone
(239) 785-0262
Is Sole Proprietor?
Yes
Enumeration Date
09-12-2007
Last Update Date
02-26-2020
Code Navigator

An internist like Alexander Sherzer 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
254408
License State
NY
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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
254408OTHER (01)NYMEDICAL LICENSE NUMBER
ME108065OTHER (01)FLMEDICAL LICENSE NUMBER
25MA0831400OTHER (01)NJMEDICAL LIECENSE

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

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 25 times for 22 patients

Established patient office or other outpatient visit, 30-39 minutes

This 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 188 times for 114 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 12 times for 12 patients

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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 1639364672, 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 6 + 6 + 8 + 6 + 1 + 4 + 24 = 78

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.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1639364672.

Other Providers at the Same Location


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

Obstetrics & Gynecology
9200 BONITA BEACH RD SE, SUITE 104
BONITA SPRINGS, FL 34135
Dentist (General Practice)
9200 BONITA BEACH RD SE, SUITE #112
BONITA SPRINGS, FL 34135
Dentist (General Practice)
9200 BONITA BEACH RD SE, SUITE 111
BONITA SPRINGS, FL 34135
Clinic/Center (Mental Health (Including Community Mental Health Center))
9200 BONITA BEACH RD SE, #101
BONITA SPRINGS, FL 34135
Counselor (Mental Health)
9200 BONITA BEACH RD SE, SUITE 212
BONITA SPRINGS, FL 34135
Internal Medicine
9200 BONITA BEACH RD SE, STE 113
BONITA SPRINGS, FL 34135
Family Medicine
9200 BONITA BEACH RD SE, #105
BONITA SPRINGS, FL 34135
Counselor (Mental Health)
9200 BONITA BEACH RD SE
BONITA SPRINGS, FL 34135
Pharmacy (Community/Retail Pharmacy)
9200 BONITA BEACH RD SE
BONITA SPRINGS, FL 34135

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639364672, enumerated as an "individual" on September 12, 2007.

The provider is located at 9200 BONITA BEACH RD SE BONITA SPRINGS, FL 34135 and the phone number is (239) 785-0262.

Internal Medicine with taxonomy code 207R00000X.

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