DR. DEVIN STEPHEN ZARKOWSKY MD
NPI 1689925844
Surgery - Vascular Surgery in Fallbrook, CA

NPI Status: Active since September 27, 2012

Contact Information

591 E ELDER ST STE B
FALLBROOK, CA
ZIP 92028
Phone: (858) 304-0117
Fax: (760) 389-9119

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NPPES record last updated: February 14, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Feb 14, 2025, Oct 12, 2022, Aug 26, 2019 and 1 more (4 updates tracked since 2017).

  • Individual
  • Male
  • Years of Experience 17
  • Surgery
  • Vascular Surgery
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting

About DEVIN ZARKOWSKY

This page provides the complete NPI Profile along with additional information for Devin Zarkowsky, a provider established in Fallbrook, California with a medical specialization in Surgery, focusing in vascular surgery and more than 17 years of experience. He graduated from Albany Medical College Of Union University in 2010. The healthcare provider is registered in the NPI registry with number 1689925844 assigned on September 2012. The practitioner's primary taxonomy code is 2086S0129X with license number A142293 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1689925844
Provider Name
DR. DEVIN STEPHEN ZARKOWSKY MD
Gender
Male
Entity Type
Individual
Location Address
591 E ELDER ST STE B FALLBROOK, CA 92028
Location Phone
(858) 304-0117
Location Fax
(760) 389-9119
Mailing Address
PO BOX 5000 PMB 54 RANCHO SANTA FE, CA 92067
Mailing Phone
(858) 304-0117
Mailing Fax
(760) 389-9119
Medical School Name
ALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
Graduation Year
2010
Is Sole Proprietor?
No
Enumeration Date
09-27-2012
Last Update Date
02-14-2025
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Location Map

Secondary Locations

  • 8273 Top O the Morning Way
    San Diego, CA 92127
    (858) 304-0117

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

Surgery Vascular Surgery

Taxonomy Code
2086S0129X
Type
Allopathic & Osteopathic Physicians
License No.
A142293
License State
CA
Taxonomy Description
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

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)
1208600000XAllopathic & Osteopathic Physicians

Surgery

17291 (NH)
2208600000XAllopathic & Osteopathic Physicians

Surgery

A142293 (CA)
32086S0129XAllopathic & Osteopathic Physicians

Surgery
Vascular Surgery

DR.0062897 (CO)

Medicare Participation & PECOS Enrollment Status

Devin Zarkowsky is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Devin Zarkowsky 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

  • PECOS PAC ID: 8325297237

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20160721002694

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • 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

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.

Complete ultrasound of artery and vein blood flow pre-op assessment on both sides of body for hemodialysis access

This procedure involves using ultrasound technology to examine the blood flow in your arteries and veins on both sides of your body. It's crucial for preparing for hemodialysis access, ensuring safe and effective treatment.

This service was performed 16 times for 15 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

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 39 times for 27 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

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 26 times for 21 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 30 times for 30 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more

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 35 times for 35 patients

Review by radiologist of arm or leg artery image

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

This service was performed 23 times for 19 patients

Ultrasonic guidance for blood vessel access

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

This service was performed 23 times for 19 patients

Ultrasound of hemodialysis access

An ultrasound of hemodialysis access is a non-invasive procedure that uses sound waves to create images of your dialysis access site. It helps monitor the access site's health and detect any potential issues like blockages or narrowing.

This service was performed 30 times for 16 patients

Ultrasound of leg arteries or artery grafts

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

This service was performed 20 times for 17 patients

Ultrasound study of arm or leg veins with compression and maneuvers

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

This service was performed 31 times for 25 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $23.71 for a new patient copayment and $19.21 for an established patient copayment.

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 92028 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $94.87
  • Minimum New Patient Price $62.1
  • Maximum New Patient Price $184.71
  • Average New Patient Copayment $23.71
  • Minimum New Patient Copayment $15.52
  • Maximum New Patient Copayment $46.17

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $76.87
  • Minimum Established Patient Price $20.62
  • Maximum Established Patient Price $151.42
  • Average Established Patient Copayment $19.21
  • Minimum Established Patient Copayment $5.15
  • Maximum Established Patient Copayment $37.85

* 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.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients
Measurement and Improvement at the Practice and Panel LevelYesN/A
Measure and improve quality at the practice and panel level, such as the American Board of Orthopaedic Surgery (ABOS) Physician Scorecards, that could include one or more of the following: • Regularly review measures of quality, utilization, patient satisfaction and other measures that may be useful at the practice level and at the level of the care team or MIPS eligible clinician or group (panel); and/or • Use relevant data sources to create benchmarks and goals for performance at the practice level and panel level.
Use of decision support and standardized treatment protocolsYesN/A
Use decision support and standardized treatment protocols to manage workflow in the team to meet patient needs.

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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 1689925844, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
4
Doubled → 8
Check
4
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 9 → 18 → 9 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 8 + 2 + 1 + 0 + 8 + 8 + 24 = 76

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1689925844.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Clinic/Center (Multi-Specialty)
591 E ELDER ST STE B
FALLBROOK, CA 92028

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689925844, enumerated as an "individual" on September 27, 2012.

The provider is located at 591 E ELDER ST STE B FALLBROOK, CA 92028 and the phone number is (858) 304-0117.

Surgery with taxonomy code 2086S0129X and a focus in Vascular Surgery.