DR. MARY JEANNE DELEON MD
NPI 1184692006
Internal Medicine - Endocrinology, Diabetes & Metabolism in Wenatchee, WA

Active since March 08, 2006PECOS EnrolledAccepts Medicare Assignment
820 N CHELAN AVE, WENATCHEE, WA 98801(509) 663-8711 Get Directions Write a Review

NPPES record last updated: April 28, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 19, 2020, Dec 26, 2018, Oct 26, 2017 and 1 more (4 updates tracked since 2017).

About Dr. Mary Jeanne Deleon Md NPPES

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

DR. MARY JEANNE DELEON MD (NPI 1184692006) is an individual endocrinology, diabetes & metabolism provider in Wenatchee, Washington, licensed in Washington (MD60784399) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1184692006
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. MARY JEANNE DELEONCredential: MD
Location Address820 N CHELAN AVEWenatchee, WA 98801-2028
Mailing Address820 N Chelan AveWenatchee, WA 98801-2028 · (509) 663-8711
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateMarch 8, 2006
Last NPPES UpdateApril 28, 20204 updates tracked since enumeration
NPPES CertifiedApril 28, 2020
✔ NPI 1184692006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in WA · MD60784399
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
820 N CHELAN AVE, Wenatchee, WA 98801

Other Identifiers 3

Medicaid1184692006WA
OtherG8971576WA · Wvh Ptan
OtherG8971577WA · Wvh Ptan

Accepted Insurance

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

Dr. Mary Jeanne Deleon 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 ID345224663
PECOS Enrollment IDI20200421000623, I20230504001665, I20260803001563
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 Reassignments

11

Medicare enrollment records show Mary Deleon reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
3400 DOUGLAS BLVD STE 225
Roseville, CA 95661
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Telemedicine Group PC
  • 205 clinicians in this Medicare group
Public Health or Welfare
24276 166TH STREET, AIRPORT ROAD
Eagle Butte, SD 57625
  • Reassigned Medicare billing, Texas enrollment
  • 282 clinicians in this Medicare group
Critical Access
10 NORTH RIVER ROAD
Fort Yates, ND 58538
  • Reassigned Medicare billing, Texas enrollment
  • 71 clinicians in this Medicare group
Rural
1300 HOSPITAL LOOP
Belcourt, ND 58316
  • Reassigned Medicare billing, Texas enrollment
  • 193 clinicians in this Medicare group
Internal Medicine
101 ACADEMY STE 100
Irvine, CA 92617
  • Reassigned Medicare billing, California enrollment
  • 118 clinicians in this Medicare group
General Acute Care Hospital
400 SOLDIER CREEK ROAD
Rosebud, SD 57570
  • Reassigned Medicare billing, Texas enrollment
  • 386 clinicians in this Medicare group
Rural Health
496 S MAIN ST
Starbuck, MN 56381
  • Reassigned Medicare billing, Minnesota enrollment
  • 111 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
225 BLUFF ST
Winnebago, NE 68071
  • Reassigned Medicare billing, Texas enrollment
  • 90 clinicians in this Medicare group
General Acute Care Hospital
360 BROADWAY
Bangor, ME 04401
  • Reassigned Medicare billing, Maine enrollment
  • 259 clinicians in this Medicare group
General Acute Care Hospital
1190 WAIANUENUE AVE
Hilo, HI 96720
  • Reassigned Medicare billing, Hawaii enrollment
  • 263 clinicians in this Medicare group

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 4

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 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.
60 services55 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
45 services41 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.
19 services19 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.
13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

St Joseph Hospital

Acute Care Hospitals · Bangor, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number200001
Location360 BroadwayBangor, ME 04401 · Penobscot County
Emergency services

Calais Community Hospital

Critical Access Hospitals · Calais, ME
OwnershipVoluntary non-profit - Private
CMS Certification Number201305
Location24 Hospital LaneCalais, ME 04619 · Washington County
Emergency services

Northern Light Mayo Hospital

Critical Access Hospitals · Dover Foxcroft, ME
OwnershipGovernment - Hospital District or Authority
CMS Certification Number201309
Location897 West Main StreetDover Foxcroft, ME 04426 · Piscataquis County
Emergency services Birthing friendly

Eagle Butte Indian Health Service Hospital

Critical Access Hospitals · Eagle Butte, SD
OwnershipGovernment - Federal
CMS Certification Number431383
Location24276 166th Airport RoadEagle Butte, SD 57625 · Dewey County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98801 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
6 suppliers51 claims51 services$185.48 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.

Physical Therapist
820 N CHELAN AVE
WENATCHEE, WA 98801
Pharmacist
820 N CHELAN AVE
WENATCHEE, WA 98801
Pathology (Anatomic Pathology & Clinical Pathology)
820 N CHELAN AVE
WENATCHEE, WA 98801
Physical Medicine & Rehabilitation
820 N CHELAN AVE
WENATCHEE, WA 98801
Pharmacist
820 N CHELAN AVE
WENATCHEE, WA 98801
Pathology (Clinical Pathology/Laboratory Medicine)
820 N CHELAN AVE
WENATCHEE, WA 98801
Physician Assistant
820 N CHELAN AVE
WENATCHEE, WA 98801
Pediatrics (Developmental - Behavioral Pediatrics)
820 N CHELAN AVE
WENATCHEE, WA 98801

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 Deleon's NPI number?

The NPI number for Mary Deleon is 1184692006. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is Mary Deleon located?

Mary Deleon practices at 820 N Chelan Ave, Wenatchee, WA 98801. The listed phone number is (509) 663-8711.

What is Mary Deleon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Mary Deleon enrolled in Medicare?

Yes. Mary Deleon 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 organizations bill Medicare for Mary Deleon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Deleon reassigns Medicare benefits to 11 organizations: Telehealth Specialty Medical Group (Roseville, CA), Eagle Butte Indian Health Service Hospital (Eagle Butte, SD), Fort Yates Indian Health Service Hospital (Fort Yates, ND), Quentin N Burdick Comprehensive Health Care Facility (Belcourt, ND), Confermed Of California PC (Irvine, CA) and 6 more organizations, listed in the Medicare section above. Each 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 Mary Deleon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Deleon accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of North Dakota, Oscar Insurance Company and Premera Blue Cross Blue Shield of Alaska list Mary Deleon 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 Mary Deleon affiliated with any hospitals?

According to CMS data, Mary Deleon is affiliated with St Joseph Hospital, Calais Community Hospital, Northern Light Mayo Hospital and Eagle Butte Indian Health Service Hospital.

When was this NPI record last updated?

The NPPES record for Mary Deleon was last updated on April 28, 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.