DR. ANDREW RICHARD DE MAR JR. M.D.
NPI 1891716023
Surgery in Roseville, CA

NPI Status: Active since July 22, 2006

Contact Information

2 MEDICAL PLAZA DR
SUITE 275
ROSEVILLE, CA
ZIP 95661
Phone: (916) 797-7534
Fax: (916) 797-4712

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  • Individual
  • Male
  • Years of Experience 41
  • Surgery
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting

About ANDREW DE MAR

This page provides the complete NPI Profile along with additional information for Andrew De Mar, a provider established in Roseville, California with a medical specialization in Surgery and more than 41 years of experience. He graduated from Ohio State University College Of Medicine in 1985. The healthcare provider is registered in the NPI registry with number 1891716023 assigned on July 2006. The practitioner's primary taxonomy code is 208600000X with license number G58869 (CA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1891716023
Provider Name
DR. ANDREW RICHARD DE MAR JR. M.D.
Gender
Male
Entity Type
Individual
Location Address
2 MEDICAL PLAZA DR SUITE 275 ROSEVILLE, CA 95661
Location Phone
(916) 797-7534
Location Fax
(916) 797-4712
Mailing Address
PO BOX 2366 ROCKLIN, CA 95677
Mailing Phone
(916) 797-7534
Mailing Fax
(916) 797-4712
Medical School Name
OHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduation Year
1985
Is Sole Proprietor?
Yes
Enumeration Date
07-22-2006
Last Update Date
04-14-2009
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A surgeon like Andrew De Mar treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
G58869
License State
CA
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

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)
12086S0102XAllopathic & Osteopathic Physicians

Surgery
Surgical Critical Care

G58869 (CA)
22086S0127XAllopathic & Osteopathic Physicians

Surgery
Trauma Surgery

G58869 (CA)

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
00G588690MEDICARE ID-TYPE UNSPECIFIED (04)CA 
E32611MEDICARE UPIN (02)CA 

Medicare Participation & PECOS Enrollment Status

Andrew De Mar 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.

Andrew De Mar 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: 1951337633

    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: I20060214000605

    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.

Critical care, first 30-74 minutes

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

This service was performed 22 times for 11 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 16 times for 15 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 14 times for 11 patients

Follow-up hospital inpatient care per day, typically 25 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 183 times for 140 patients

Hernia repair - groin (open)

Hernia repair in the groin area (open) is a surgical procedure to fix a bulge or protrusion, caused by internal tissues pushing through a weak spot in your abdominal wall. In this operation, a small incision is made in the groin area. The protruding tissue is then placed back into the abdomen, and the weakened area is reinforced with stitches or a mesh.

This service was performed for 1-10 patients

Hernia repair (minimally invasive)

Hernia repair is a surgery to fix a hernia - a condition where an organ pushes through an opening in the muscle or tissue that holds it in place. Minimally invasive hernia repair involves small incisions, a tiny camera, and special surgical tools. This method often leads to quicker recovery, less pain, and reduced scarring compared to traditional surgery.

This service was performed for 1-10 patients

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 113 times for 112 patients

Initial hospital inpatient care per day, typically 70 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 24 times for 24 patients

New patient office or other outpatient visit, 30-44 minutes

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 42 times for 42 patients

Removal of appendix using an endoscope

Appendix removal, or appendectomy, with an endoscope is a minimally invasive procedure. A small camera (endoscope) is inserted through a tiny incision. This camera guides the surgeon to remove the appendix safely, reducing recovery time and discomfort.

This service was performed 12 times for 12 patients

Removal of gallbladder using an endoscope

This procedure, known as endoscopic gallbladder removal, involves a surgeon using a special tool called an endoscope to remove your gallbladder through small incisions. It's typically done to treat gallstones and related complications. It's a less invasive method, often leading to quicker recovery.

This service was performed 22 times for 22 patients

Repair of groin hernia using an endoscope

This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.

This service was performed 13 times for 13 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $23.15 for a new patient copayment and $18.75 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 95661 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $92.61
  • Minimum New Patient Price $60.44
  • Maximum New Patient Price $180.85
  • Average New Patient Copayment $23.15
  • Minimum New Patient Copayment $15.11
  • Maximum New Patient Copayment $45.21

Established Patients Visit Costs *

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

  • Average Established Patient Price $75.03
  • Minimum Established Patient Price $19.88
  • Maximum Established Patient Price $148.15
  • Average Established Patient Copayment $18.75
  • Minimum Established Patient Copayment $4.97
  • Maximum Established Patient Copayment $37.03

* 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
Annual registration in the Prescription Drug Monitoring ProgramYesN/A
Annual registration by eligible clinician or group in the prescription drug monitoring program of the state where they practice. Activities that simply involve registration are not sufficient. MIPS eligible clinicians and groups must participate for a minimum of 6 months.
Consultation of the Prescription Drug Monitoring ProgramYesN/A
Clinicians would attest to reviewing the patients’ history of controlled substance prescription using state prescription drug monitoring program (PDMP) data prior to the issuance of a Controlled Substance Schedule II (CSII) opioid prescription lasting longer than 3 days. For the transition year, clinicians would attest to 60 percent review of applicable patient’s history. For the Quality Payment Program Year 2 and future years, clinicians would attest to 75 percent review of applicable patient’s history performance.
Engagement of New Medicaid Patients and Follow-upYesN/A
Seeing new and follow-up Medicaid patients in a timely manner, including individuals dually eligible for Medicaid and Medicare. A timely manner is defined as within 10 business days for this activity.
Implementation of an ASPYesN/A
Change Activity Description to: Leadership of an Antimicrobial Stewardship Program (ASP) that includes implementation of an ASP that measures the appropriate use of antibiotics for several different conditions (such as but not limited to upper respiratory infection treatment in children, diagnosis of pharyngitis, bronchitis treatment in adults) according to clinical guidelines for diagnostics and therapeutics. Specific activities may include: • Develop facility-specific antibiogram and prepare report of findings with specific action plan that aligns with overall facility or practice strategic plan. • Lead the development, implementation, and monitoring of patient care and patient safety protocols for the delivery of ASP including protocols pertaining to the most appropriate setting for such services (i.e., outpatient or inpatient). • Assist in improving ASP service line efficiency and effectiveness by evaluating and recommending improvements in the management structure and workflow of ASP processes. • Manage compliance of the ASP policies and assist with implementation of corrective actions in accordance with facility or clinic compliance policies and hospital medical staff by-laws. • Lead the education and training of professional support staff for the purpose of maintaining an efficient and effective ASP. • Coordinate communications between ASP management and facility or practice personnel regarding activities, services, and operational/clinical protocols to achieve overall compliance and understanding of the ASP. • Assist, at the request of the facility or practice, in preparing for and responding to third-party requests, including but not limited to payer audits, governmental inquiries, and professional inquiries that pertain to the ASP service line. • Implementing and tracking an evidence-based policy or practice aimed at improving antibiotic prescribing practices for high-priority conditions. • Developing and implementing evidence-based protocols and decision-support for diagnosis and treatment of common infections. • Implementing evidence-based protocols that align with recommendations in the Centers for Disease Control and Prevention’s Core Elements of Outpatient Antibiotic Stewardship guidance
Implementation of formal quality improvement methods, practice changes, or other practice improvement processesYesN/A
Adopt a formal model for quality improvement and create a culture in which all staff actively participates in improvement activities that could include one or more of the following such as: • Multi-Source Feedback; • Train all staff in quality improvement methods; • Integrate practice change/quality improvement into staff duties; • Engage all staff in identifying and testing practices changes; • Designate regular team meetings to review data and plan improvement cycles; • Promote transparency and accelerate improvement by sharing practice level and panel level quality of care, patient experience and utilization data with staff; and/or • Promote transparency and engage patients and families by sharing practice level quality of care, patient experience and utilization data with patients and families, including activities in which clinicians act upon patient experience data.
Implementation of improvements that contribute to more timely communication of test resultsYesN/A
Timely communication of test results defined as timely identification of abnormal test results with timely follow-up.
Provide 24/7 Access to MIPS Eligible Clinicians or Groups Who Have Real-Time Access to Patient's Medical RecordYesN/A
• Provide 24/7 access to MIPS eligible clinicians, groups, or care teams for advice about urgent and emergent care (e.g., MIPS eligible clinician and care team access to medical record, cross-coverage with access to medical record, or protocol-driven nurse line with access to medical record) that could include one or more of the following: • Expanded hours in evenings and weekends with access to the patient medical record (e.g., coordinate with small practices to provide alternate hour office visits and urgent care); • Use of alternatives to increase access to care team by MIPS eligible clinicians and groups, such as e-visits, phone visits, group visits, home visits and alternate locations (e.g., senior centers and assisted living centers); and/or Provision of same-day or next-day access to a consistent MIPS eligible clinician, group or care team when needed for urgent care or transition management.
Regularly assess the patient experience of care through surveys, advisory councils and/or other mechanisms.YesN/A
Regularly assess the patient experience of care through surveys, advisory councils and/or other mechanisms.
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.
Use of QCDR to promote standard practices, tools and processes in practice for improvement in care coordinationYesN/A
Participation in a Qualified Clinical Data Registry, demonstrating performance of activities that promote use of standard practices, tools and processes for quality improvement (e.g., documented preventative screening and vaccinations that can be shared across MIPS eligible clinician or groups).

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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 1891716023, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
3
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 9 → 18 → 9 7 → 14 → 5 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 4 + 1 + 1 + 2 + 0 + 4 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1891716023.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Radiology (Radiation Oncology)
2 MEDICAL PLAZA DR, SUITE 180
ROSEVILLE, CA 95661
Psychiatry & Neurology (Neurology)
2 MEDICAL PLAZA DR, SUITE 260
ROSEVILLE, CA 95661
Internal Medicine (Cardiovascular Disease)
2 MEDICAL PLAZA DR, SUITE #175
ROSEVILLE, CA 95661
Preventive Medicine (Occupational Medicine)
2 MEDICAL PLAZA DR, SUITE 105
ROSEVILLE, CA 95661
Internal Medicine
2 MEDICAL PLAZA DR, SUITE 110
ROSEVILLE, CA 95661
Physician Assistant
2 MEDICAL PLAZA DR, #105
ROSEVILLE, CA 95661
Physician Assistant (Surgical)
2 MEDICAL PLAZA DR, SUITE 264
ROSEVILLE, CA 95661
Neurological Surgery
2 MEDICAL PLAZA DR, SUITE 255
ROSEVILLE, CA 95661
Physician Assistant
2 MEDICAL PLAZA DR, SUITE 105
ROSEVILLE, CA 95661
Surgery
2 MEDICAL PLAZA DR, SUITE 110
ROSEVILLE, CA 95661
Surgery
2 MEDICAL PLAZA DR, SUITE 275
ROSEVILLE, CA 95661
Internal Medicine (Cardiovascular Disease)
2 MEDICAL PLAZA DR, #175
ROSEVILLE, CA 95661
Internal Medicine (Cardiovascular Disease)
2 MEDICAL PLAZA DR, #175
ROSEVILLE, CA 95661
Internal Medicine (Cardiovascular Disease)
2 MEDICAL PLAZA DR, SUITE #175
ROSEVILLE, CA 95661
Psychiatry & Neurology (Neurology)
2 MEDICAL PLAZA DR, SUITE 205
ROSEVILLE, CA 95661
Internal Medicine (Cardiovascular Disease)
2 MEDICAL PLAZA DR, SUITE # 175
ROSEVILLE, CA 95661
Internal Medicine (Cardiovascular Disease)
2 MEDICAL PLAZA DR, SUITE #175
ROSEVILLE, CA 95661
Internal Medicine (Cardiovascular Disease)
2 MEDICAL PLAZA DR, SUITE # 175
ROSEVILLE, CA 95661
Surgery (Surgical Critical Care)
2 MEDICAL PLAZA DR, #275
ROSEVILLE, CA 95661
Family Medicine
2 MEDICAL PLAZA DR, SUITE 130
ROSEVILLE, CA 95661

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891716023, enumerated as an "individual" on July 22, 2006.

The provider is located at 2 MEDICAL PLAZA DR SUITE 275 ROSEVILLE, CA 95661 and the phone number is (916) 797-7534.

Surgery with taxonomy code 208600000X.

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