MS. MARY LOUISE BLANKENSHIP RN, FNP, PMHNP-BC
NPI 1356358477
Nurse Practitioner - Psychiatric/Mental Health in Tigard, OR

Active since August 02, 2006PECOS EnrolledAccepts Medicare Assignment
11740 SW 68TH PKWY STE 200, TIGARD, OR 97223(971) 352-6971 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 3, 2025, Dec 12, 2023, Oct 26, 2018 (3 updates tracked since 2018).

About Ms. Mary Louise Blankenship Rn, Fnp, Pmhnp-bc NPPES

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

MS. MARY LOUISE BLANKENSHIP RN, FNP, PMHNP-BC (NPI 1356358477) is an individual psychiatric/mental health provider in Tigard, Oregon, licensed in Oregon (10006006) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1356358477
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMS. MARY LOUISE BLANKENSHIPCredential: RN, FNP, PMHNP-BC
Location Address11740 SW 68TH PKWY STE 200Tigard, OR 97223-9058
Mailing Address1907 Nw 6th StHermiston, OR 97838-1148 · (972) 825-2575
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateAugust 2, 2006
Last NPPES UpdateFebruary 10, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 10, 2026
NPI 1356358477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in OR · 10006006 Licensed in NM · 2023150476
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License 0375722 (NM)
11740 SW 68TH PKWY STE 200, Tigard, OR 97223

Secondary Practice Locations 2

Location 18350 W Grandridge Blvd Ste 200Kennewick, WA 99336-1678 · Phone (509) 987-5452 · Fax (541) 320-7805
Location 23188 Southern Blvd SE Ste B1Rio Rancho, NM 87124-1989 · Phone (505) 200-9158 · Fax (866) 274-2218

Other Identifiers 2

Medicaid3017279-01TX
Medicaid77056396NM

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

Ms. Mary Louise Blankenship Rn, Fnp, Pmhnp-bc 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 ID1759270770
PECOS Enrollment IDI20180504001349, I20250107001523, I20251111002223
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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
263 services84 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
249 services70 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
227 services62 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
67 services38 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.
65 services65 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97223 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
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
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.

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.

Social Worker (Clinical)
11740 SW 68TH PKWY STE 200
TIGARD, OR 97223
Marriage & Family Therapist
11740 SW 68TH PKWY STE 200
PORTLAND, OR 97223
Social Worker (Clinical)
11740 SW 68TH PKWY STE 200
PORTLAND, OR 97223
Social Worker (Clinical)
11740 SW 68TH PKWY STE 200
PORTLAND, OR 97223
Counselor (Mental Health)
11740 SW 68TH PKWY STE 200
PORTLAND, OR 97223
Counselor (Mental Health)
11740 SW 68TH PKWY STE 200
TIGARD, OR 97223
Counselor (Mental Health)
11740 SW 68TH PKWY STE 200
PORTLAND, OR 97223
Social Worker (Clinical)
11740 SW 68TH PKWY STE 200
TIGARD, OR 97223

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 Mary Blankenship's NPI number?

The NPI number for Mary Blankenship is 1356358477. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Mary Blankenship located?

Mary Blankenship practices at 11740 SW 68th Pkwy Ste 200, Tigard, OR 97223. The listed phone number is (971) 352-6971.

What is Mary Blankenship's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Mary Blankenship enrolled in Medicare?

Yes. Mary Blankenship 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 Mary Blankenship accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Superior HealthPlan, Ambetter of Oklahoma, BridgeSpan Health Company and Moda Health Plan, Inc. and 3 other insurers list Mary Blankenship 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.

When was this NPI record last updated?

The NPPES record for Mary Blankenship was last updated on February 10, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.