DR. MARA BEREZNIAK D.O.
NPI 1770535585
Family Medicine in Penn Valley, CA

NPI Status: Active since May 17, 2006

Contact Information

11400 PLEASANT VALLEY RD
PENN VALLEY, CA
ZIP 95946
Phone: (530) 432-7023
Fax: (530) 432-7026

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  • Individual
  • Female
  • Years of Experience 26
  • Family Medicine
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MARA BEREZNIAK

This page provides the complete NPI Profile along with additional information for Mara Berezniak, a primary care provider established in Penn Valley, California with a medical specialization in Family Medicine and more than 26 years of experience. The healthcare provider is registered in the NPI registry with number 1770535585 assigned on May 2006. The practitioner's primary taxonomy code is 207Q00000X with license number 20A7940 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1770535585
Provider Name
DR. MARA BEREZNIAK D.O.
Gender
Female
Entity Type
Individual
Location Address
11400 PLEASANT VALLEY RD PENN VALLEY, CA 95946
Location Phone
(530) 432-7023
Location Fax
(530) 432-7026
Mailing Address
13962 LA BARR PINES DR GRASS VALLEY, CA 95949
Mailing Phone
(530) 274-7125
Medical School Name
OTHER
Graduation Year
2000
Is Sole Proprietor?
No
Enumeration Date
05-17-2006
Last Update Date
10-24-2025
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A primary care provider (PCP) like Mara Berezniak sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
License No.
20A7940
License State
CA
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Medicare Participation & PECOS Enrollment Status

Mara Berezniak 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.

Mara Berezniak 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: 840247417

    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: I20050405001405

    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

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE017N)

    Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)

    7 DME suppliers used 23 Medicare Claims 79 Services Paid

  • DME-Medical/Surgical Supplies (DA000N)

    Adhesive remover or solvent (for tape, cement or other adhesive), per ounce (HCPCS:A4455)

    1 DME suppliers used 11 Medicare Claims 11 Services Paid

  • DME-Medical/Surgical Supplies (DA000N)

    Adhesive remover, wipes, any type, each (HCPCS:A4456)

    1 DME suppliers used 11 Medicare Claims 550 Services Paid

  • DME-Other DME (DE001N)

    Tubing with integrated heating element for use with positive airway pressure device (HCPCS:A4604)

    2 DME suppliers used 13 Medicare Claims 13 Services Paid

  • DME-Other DME (DE001N)

    Full face mask used with positive airway pressure device, each (HCPCS:A7030)

    2 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Other DME (DE001N)

    Cushion for use on nasal mask interface, replacement only, each (HCPCS:A7032)

    2 DME suppliers used 15 Medicare Claims 82 Services Paid

  • DME-Other DME (DE001N)

    Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap (HCPCS:A7034)

    2 DME suppliers used 24 Medicare Claims 24 Services Paid

  • DME-Other DME (DE001N)

    Headgear used with positive airway pressure device (HCPCS:A7035)

    3 DME suppliers used 22 Medicare Claims 22 Services Paid

  • DME-Other DME (DE001N)

    Tubing used with positive airway pressure device (HCPCS:A7037)

    3 DME suppliers used 20 Medicare Claims 20 Services Paid

  • DME-Other DME (DE001N)

    Filter, disposable, used with positive airway pressure device (HCPCS:A7038)

    3 DME suppliers used 26 Medicare Claims 153 Services Paid

  • DME-Other DME (DE001N)

    Continuous positive airway pressure (cpap) device (HCPCS:E0601)

    3 DME suppliers used 23 Medicare Claims 23 Services Paid

Orthotic Devices

  • DME-Orthotic Devices (DF010N)

    Ostomy skin barrier, powder, per oz (HCPCS:A4371)

    1 DME suppliers used 11 Medicare Claims 11 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce (HCPCS:A4394)

    2 DME suppliers used 15 Medicare Claims 210 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each (HCPCS:A4409)

    1 DME suppliers used 11 Medicare Claims 440 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each (HCPCS:A4425)

    1 DME suppliers used 12 Medicare Claims 240 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy pouch, urinary; for use on barrier with non-locking flange, with faucet-type tap with valve (2 piece), each (HCPCS:A4432)

    2 DME suppliers used 15 Medicare Claims 300 Services Paid

  • DME-Orthotic Devices (DF010N)

    Ostomy pouch, drainable; for use on barrier with flange (2 piece system), each (HCPCS:A5063)

    2 DME suppliers used 13 Medicare Claims 320 Services Paid

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.

Adm sarscov2 100mcg/0.5ml3rd

This is the administration of a third dose of a SARS-CoV-2 vaccine, given in a dose of 100 micrograms in 0.5 milliliters. This vaccine helps your body develop immunity against the COVID-19 virus. It's a crucial step in protecting your health.

This service was performed 23 times for 23 patients

Adm sarscov2 50mcg/0.25mlbst

This procedure involves administering a dose of a SARS-CoV-2 vaccine. The specific dosage is 50 micrograms in a 0.25 milliliter booster shot. This vaccine helps your body build immunity against the COVID-19 virus. It's a key part of global efforts to control the pandemic.

This service was performed 34 times for 34 patients

Administration of influenza virus vaccine

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

This service was performed 146 times for 145 patients

Administration of pneumococcal vaccine

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

This service was performed 25 times for 25 patients

Annual alcohol misuse screening, 15 minutes

An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.

This service was performed 180 times for 180 patients

Annual depression screening, 15 minutes

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

This service was performed 197 times for 197 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

This service was performed 201 times for 201 patients

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 405 times for 270 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 393 times for 233 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 56 times for 53 patients

Fee covid-19 vac 14 res

The "Fee covid-19 vac 14 res" refers to a charge for a specific service related to the COVID-19 vaccine. This could be for administering the vaccine or related care. It's crucial to get vaccinated to protect against the virus. The fee ensures quality service.

This service was performed 72 times for 72 patients

Influenza vaccine split virus, preservative free

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

This service was performed 141 times for 140 patients

Injection of drug or substance under skin or into muscle

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

This service was performed 91 times for 22 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

This service was performed 17 times for 17 patients

Removal of impacted ear wax by washing

Impacted ear wax removal by washing, also known as ear irrigation, involves using a pressurized flow of water to break up and dislodge the ear wax. This safe procedure helps restore normal hearing and relieve discomfort caused by the blockage.

This service was performed 14 times for 14 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

This service was performed 46 times for 44 patients

Transitional care management services for problem of moderate complexity

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

This service was performed 16 times for 15 patients

Urinalysis, manual test

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

This service was performed 73 times for 55 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $22.58 for a new patient copayment and $25.84 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 95946 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $90.32
  • Minimum New Patient Price $58.87
  • Maximum New Patient Price $176.6
  • Average New Patient Copayment $22.58
  • Minimum New Patient Copayment $14.71
  • Maximum New Patient Copayment $44.15

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $103.36
  • Minimum Established Patient Price $19.28
  • Maximum Established Patient Price $144.6
  • Average Established Patient Copayment $25.84
  • Minimum Established Patient Copayment $4.82
  • Maximum Established Patient Copayment $36.15

* 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.

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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 1770535585, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
7
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
5
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
5
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 7 → 14 → 5 5 → 10 → 1 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 1 + 0 + 3 + 1 + 0 + 5 + 1 + 6 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1770535585.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
11400 PLEASANT VALLEY RD
PENN VALLEY, CA 95946
Clinical Nurse Specialist (Family Health)
11400 PLEASANT VALLEY RD
PENN VALLEY, CA 95946
Family Medicine
11400 PLEASANT VALLEY RD
PENN VALLEY, CA 95946
Nurse Practitioner
11400 PLEASANT VALLEY RD
PENN VALLEY, CA 95946

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770535585, enumerated as an "individual" on May 17, 2006.

The provider is located at 11400 PLEASANT VALLEY RD PENN VALLEY, CA 95946 and the phone number is (530) 432-7023.

Family Medicine with taxonomy code 207Q00000X.