DR. MARK A VIERRA MD
NPI 1295706448
Surgery in Monterey, CA

Active since January 27, 2006PECOS EnrolledAccepts Medicare Assignment
77.81/100
CMS Quality Rating
2 UPPER RAGSDALE DR, B230, MONTEREY, CA 93940(831) 649-0808 Get Directions Write a Review

NPPES record last updated: January 11, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark A Vierra Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK A VIERRA MD (NPI 1295706448) is an individual surgery provider in Monterey, California, licensed in California (G59649) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1985).

NPPES Registry Identity

NPI1295706448
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. MARK A VIERRACredential: MD
Location Address2 UPPER RAGSDALE DR, B230Monterey, CA 93940-5736
Mailing Address100 Wilson Rd, Suite 100Monterey, CA 93940 · (831) 649-1000
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1985
Enumeration DateJanuary 27, 2006
Last NPPES UpdateJanuary 11, 2010
NPI 1295706448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in CA · G59649
Definition
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.
2 UPPER RAGSDALE DR, Monterey, CA 93940

Other Identifiers 2

Medicare PIN00G596492CA
Medicare UPINF17062CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark A Vierra Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082607189
PECOS Enrollment IDI20040405001687
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
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.
162 services106 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
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.
123 services94 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
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.
88 services88 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
70 services31 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
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.
62 services62 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
53 services53 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93940 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.44 typical visit price
range $61.69 – $184.30
Typical copayment $23.61 (range $15.42 – $46.07)
Most-billed visit code 99203
Established Patient
$76.53 typical visit price
range $20.34 – $151.02
Typical copayment $19.13 (range $5.08 – $37.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.81/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.99
Promoting Interoperability100
Improvement Activities40
Cost57.04

Reported Quality Measures

Acute Otitis Externa (AOE): Systemic Antimicrobial Therapy - Avoidance of Inappropriate Use
Percentage of patients aged 2 years and older with a diagnosis of AOE who were not prescribed systemic antimicrobial therapy
99%1,483 patients
Closing the Referral Loop: Receipt of Specialist Report
Percentage of patients with referrals, regardless of age, for which the referring provider receives a report from the provider to whom the patient was referred
34%128 patients2/55-star benchmark: 95%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
94%2,709 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
85%159 patients4/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
41%54 patients2/55-star benchmark: 98%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
89%149 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
100%298 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
38%778 patients2/55-star benchmark: 97%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
39%662 patients2/55-star benchmark: 96%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
68%298 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Skin barrier; solid, 4 x 4 or equivalent; each A4362
DME-Orthotic Devices · category DF010N
4 suppliers33 claims740 services$3.16 avg. paid by Medicare
Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
4 suppliers21 claims400 services$4.79 avg. paid by Medicare
Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394
DME-Orthotic Devices · category DF010N
4 suppliers36 claims354 services$2.16 avg. paid by Medicare
Lubricant, per ounce A4402
DME-Orthotic Devices · category DF010N
1 supplier11 claims44 services$1.54 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
2 suppliers16 claims360 services$7.35 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible or accordion), without built-in convexity, 4 x 4 inches or smaller, each A4414
DME-Orthotic Devices · category DF010N
2 suppliers12 claims150 services$4.42 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Otolaryngology
2 UPPER RAGSDALE DR, STE B-270
MONTEREY, CA 93940
Nurse Practitioner (Pediatrics)
2 UPPER RAGSDALE DR, SUITE B210
MONTEREY, CA 93940
Nurse Practitioner (Family)
2 UPPER RAGSDALE DR, SUITE B110- BUILDING B
MONTEREY, CA 93940
Nurse Practitioner (Family)
2 UPPER RAGSDALE DR
MONTEREY, CA 93940
Physician Assistant (Medical)
2 UPPER RAGSDALE DR, SUITE B-200
MONTEREY, CA 93940
Pediatrics
2 UPPER RAGSDALE DR
MONTEREY, CA 93940
Otolaryngology
2 UPPER RAGSDALE DR, B230
MONTEREY, CA 93940
Psychiatry & Neurology (Psychiatry)
2 UPPER RAGSDALE DR
MONTEREY, CA 93940

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Vierra's NPI number?

The NPI number for Mark Vierra is 1295706448. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Where is Mark Vierra located?

Mark Vierra practices at 2 Upper Ragsdale Dr B230, Monterey, CA 93940. The listed phone number is (831) 649-0808.

What is Mark Vierra's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Mark Vierra enrolled in Medicare?

Yes. Mark Vierra is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mark Vierra was last updated on January 11, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.