DR. MARK E LASSISE M.D.
NPI 1023002508
Psychiatry & Neurology - Psychiatry in Mason City, IA

Active since September 09, 2005PECOS EnrolledAccepts Medicare Assignment
250 S CRESCENT DR STE 10, MASON CITY, IA 50401(641) 494-5170(641) 494-5175 Get Directions Write a Review

NPPES record last updated: July 6, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mark E Lassise M.d. NPPES

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

DR. MARK E LASSISE M.D. (NPI 1023002508) is an individual psychiatry provider in Mason City, Iowa, licensed in Iowa (22919) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Mitchell County Regional Health, and is a graduate of University Of Colorado School Of Medicine, Denver (1980).

NPPES Registry Identity

NPI1023002508
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MARK E LASSISECredential: M.D.
Location Address250 S CRESCENT DR STE 10Mason City, IA 50401-2926
Mailing Address250 S Crescent DrMason City, IA 50401-2926 · (641) 494-5400 · Fax (641) 494-5403
Fax(641) 494-5175
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 1980
Enumeration DateSeptember 9, 2005
Last NPPES UpdateJuly 6, 2020
NPPES CertifiedJuly 6, 2020
NPI 1023002508 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in IA · 22919
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
250 S CRESCENT DR STE 10, Mason City, IA 50401

Other Identifiers 1

Medicaid2223412IA

Accepted Insurance

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 E Lassise M.d. 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 ID8022059666
PECOS Enrollment IDI20050513000446
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 5

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.
403 services100 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.
52 services41 patients
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.
42 services36 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.
13 services13 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
12 services12 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mitchell County Regional Health

Critical Access Hospitals · Osage, IA
OwnershipGovernment - Local
CMS Certification Number161323
Location616 North Eighth StreetOsage, IA 50461 · Mitchell County
Emergency services

Madison County Health Care System

Critical Access Hospitals · Winterset, IA
OwnershipGovernment - Local
CMS Certification Number161326
Location300 West Hutchings StreetWinterset, IA 50273 · Madison County
Emergency services

Regional Health Services Of Howard County

Critical Access Hospitals · Cresco, IA
OwnershipGovernment - Local
CMS Certification Number161328
Location235 8th Avenue WestCresco, IA 52136 · Howard County
Emergency services Birthing friendly

Mercy Medical Center-New Hampton

Critical Access Hospitals · New Hampton, IA
OwnershipVoluntary non-profit - Church
CMS Certification Number161331
Location308 North Maple AvenueNew Hampton, IA 50659 · Chickasaw County
Emergency services

Mercyone Oelwein Medical Center

Critical Access Hospitals · Oelwein, IA
OwnershipVoluntary non-profit - Church
CMS Certification Number161338
Location201 Eighth Avenue SEOelwein, IA 50662 · Fayette County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50401 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
$161.40 typical visit price
range $52.96 – $161.40
Typical copayment $40.35 (range $13.24 – $40.35)
Most-billed visit code 99205
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
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.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
32%353 patients2/55-star benchmark: 85%
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.
49%2,306 patients1/55-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.
98%5,064 patients4/55-star benchmark: 99%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
36%379 patients2/55-star benchmark: 99%
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.
50%648 patients1/55-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.
4%1,280 patients1/55-star benchmark: 97%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
62%260 patients3/55-star benchmark: 90%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
45%483 patients3/55-star benchmark: 88%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 56% · 487 patients
Patients tobacco: 53% · 487 patients
73%62 patients3/55-star benchmark: 98%
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…
67%1,280 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
4%1,280 patients1/55-star benchmark: 89%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 1% · 260 patients
6%260 patients3/55-star benchmark: 100%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
1%1,280 patients
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.

Other Providers at the Same Location NPPES

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

Psychiatry & Neurology (Psychiatry)
250 S CRESCENT DR STE 10
MASON CITY, IA 50401

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 Lassise's NPI number?

The NPI number for Mark Lassise is 1023002508. It was assigned to this individual provider in the NPPES registry on September 9, 2005.

Where is Mark Lassise located?

Mark Lassise practices at 250 S Crescent Dr Ste 10, Mason City, IA 50401. The listed phone number is (641) 494-5170.

What is Mark Lassise's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mark Lassise enrolled in Medicare?

Yes. Mark Lassise 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.

What insurance does Mark Lassise accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan list Mark Lassise as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Lassise affiliated with any hospitals?

According to CMS data, Mark Lassise is affiliated with Mitchell County Regional Health, Madison County Health Care System, Regional Health Services Of Howard County, Mercy Medical Center-New Hampton and Mercyone Oelwein Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Lassise was last updated on July 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.