DR. ISLON WOOLF MD
NPI 1538146857
Internal Medicine in Miami Beach, FL
NPI Status: Active since December 28, 2005
Contact Information
1691 MICHIGAN AVE
SUITE 500
MIAMI BEACH, FL
ZIP 33139
Phone: (305) 538-3828
Fax: (305) 538-1979
NPPES record last updated: April 8, 2010. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Internal Medicine
- PECOS Enrolled
- Opted-Out Medicare
- CLIA Number: 10D2333507
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 11-05-2027
About ISLON WOOLF
This page provides the complete NPI Profile along with additional information for Islon Woolf, an internist established in Miami Beach, Florida with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1538146857 assigned on December 2005. The practitioner's primary taxonomy code is 207R00000X with license number ME 66842 (FL). The provider is registered as an individual and his NPI record was last updated 16 years ago.
- NPI
- 1538146857
- Provider Name
- DR. ISLON WOOLF MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1691 MICHIGAN AVE SUITE 500 MIAMI BEACH, FL 33139
- Location Phone
- (305) 538-3828
- Location Fax
- (305) 538-1979
- Mailing Address
- 1691 MICHIGAN AVE SUITE 500 MIAMI BEACH, FL 33139
- Mailing Phone
- (305) 538-3828
- Mailing Fax
- (305) 538-1979
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-28-2005
- Last Update Date
- 04-08-2010
- Code Navigator
An internist like Islon Woolf 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.
The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Islon Woolf opted out of Medicare effective on 07-01-2016 until 07-01-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare but is permitted to order and refer services to other healthcare providers.
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.
- ME 66842
- License State
- FL
- 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 |
|---|---|---|---|
| 25862W | MEDICARE PIN (08) | FL | |
| F89954 | MEDICARE UPIN (02) | FL |
Medicare Participation & PECOS Enrollment Status
Islon Woolf is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 07-01-2016
Opt-Out End Date: 07-01-2026
Eligible to Order and Refer? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Physician Visit Costs
The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.
For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.
The prices below reflect the costs for new and established patients in the 33139 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99204
- Average New Patient Price $141.56
- Minimum New Patient Price $60.92
- Maximum New Patient Price $187.05
- Average New Patient Copayment $35.39
- Minimum New Patient Copayment $15.23
- Maximum New Patient Copayment $46.76
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $107.17
- Minimum Established Patient Price $18.99
- Maximum Established Patient Price $150.24
- Average Established Patient Copayment $26.79
- Minimum Established Patient Copayment $4.74
- Maximum Established Patient Copayment $37.56
* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.
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
- 10D2333507
- Facility Type
- Physician Office
- Certificate Effective Date
- November 06, 2025
- Certificate Expiration Date
- November 05, 2027
- Laboratory Director
- ISION WOOLF
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Islon Woolf to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
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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 1538146857, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
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 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 8 providers are registered at the same or a nearby location.
MIAMI BEACH, FL 33139
MIAMI BEACH, FL 33139
MIAMI BEACH, FL 33139
MIAMI BEACH, FL 33139
MIAMI BEACH, FL 33139
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1538146857, enumerated as an "individual" on December 28, 2005.
The provider is located at 1691 MICHIGAN AVE SUITE 500 MIAMI BEACH, FL 33139 and the phone number is (305) 538-3828.
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.
