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MARIA G LAZAREVA MD
NPI 1811203250
Internal Medicine in Kirkland, WA

Active since August 24, 2010PECOS EnrolledAccepts Medicare Assignment
12040 NE 128TH ST # MS -105, KIRKLAND, WA 98034(425) 899-2560(425) 899-2079 Get Directions Write a Review

NPPES record last updated: April 18, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Maria G Lazareva Md NPPES

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

MARIA G LAZAREVA MD (NPI 1811203250) is an individual internal medicine provider in Kirkland, Washington, licensed in Washington (MD60402114) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS, is affiliated with Evergreenhealth Monroe, and maintains a secondary practice location in New Haven.

NPPES Registry Identity

NPI1811203250
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARIA G LAZAREVACredential: MD
Location Address12040 NE 128TH ST # MS -105Kirkland, WA 98034-3013
Mailing AddressPo Box 34036Seattle, WA 98124-1036 · (425) 899-3292 · Fax (425) 899-3269
Phone(425) 899-2560
Fax(425) 899-2079
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateAugust 24, 2010
Last NPPES UpdateApril 18, 2018
✔ NPI 1811203250 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WA · MD60402114
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
12040 NE 128TH ST # MS -105, Kirkland, WA 98034
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Secondary Practice Location 1

Location 120 York St # T-209New Haven, CT 06510-3220 · Phone (203) 789-3000 ext. 0303

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria G Lazareva 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 ID446488027
PECOS Enrollment IDI20140103000463
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.

Medicare Billing Reassignment

Medicare enrollment records show Maria Lazareva reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

King County Public Hospital District No. 2
Same address
Physical Therapist
12040 NE 128TH ST # MS -10
Kirkland, WA 98034
  • Reassigned Medicare billing, Washington enrollment
  • 1,074 clinicians in this Medicare group
NPI 1356920946 (206) 466-0369

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
189 services72 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
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.
136 services65 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
53 services52 patients
Critical care, first 30-74 minutes 99291
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.
43 services20 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
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.
37 services36 patients

Hospital Affiliations CMS Care Compare 2

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

Evergreenhealth Monroe

Acute Care Hospitals · Monroe, WA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500084
Location14701 179th Ave SEMonroe, WA 98272 · Snohomish County
Emergency services

Evergreenhealth Medical Center

Acute Care Hospitals · Kirkland, WA
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500124
Location12040 NE 128th StreetKirkland, WA 98034 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98034 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$67.73 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 3

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

ANTONETTE KANISHKA KARRTHIK M.D.
Hospitalist
12040 NE 128TH ST # MS -105
KIRKLAND, WA 98034
King County (425) 899-2560
MS. MELISSA MARIE SCOTT AG-ACNP
Nurse Practitioner (Acute Care)
12040 NE 128TH ST # MS -105
KIRKLAND, WA 98034
King County (949) 274-0114
DR. LUCY DOYLE MD
Internal Medicine
12040 NE 128TH ST # MS -105
KIRKLAND, WA 98034
King County (425) 899-2560

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 Maria Lazareva's NPI number?

The NPI number for Maria Lazareva is 1811203250. It was assigned to this individual provider in the NPPES registry on August 24, 2010.

Where is Maria Lazareva located?

Maria Lazareva practices at 12040 NE 128th St # Ms -105, Kirkland, WA 98034. The listed phone number is (425) 899-2560.

What is Maria Lazareva's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Maria Lazareva enrolled in Medicare?

Yes. Maria Lazareva 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.

Which organization bills Medicare for Maria Lazareva's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Lazareva reassigns Medicare benefits to King County Public Hospital District No. 2 (Kirkland, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maria Lazareva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Maria Lazareva affiliated with any hospitals?

According to CMS data, Maria Lazareva is affiliated with Evergreenhealth Monroe and Evergreenhealth Medical Center.

When was this NPI record last updated?

The NPPES record for Maria Lazareva was last updated on April 18, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.