DR. MARK A STEFANELLI (M.D.) – Emergency Medical Services (Emergency Medicine) Physician, NPI 1366486912

DR. MARK A STEFANELLI (M.D.) is a healthcare provider. based in Astoria, Oregon. specializing in EMERGENCY MEDICINE, INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. MD19990 (OR). The NPI Number for DR. MARK A STEFANELLI (M.D.) is 1366486912

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK A STEFANELLI (M.D.)
NPI
1366486912
Phone
(503) 739-6164
Address
2647 GRAND AVE
Enumeration Date
15 June 2006
Last Update Date
13 March 2009

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5058637000
Graduation Year
1986 (40 years ago)
PAC ID
9830234442
Group Practice PAC ID
3375041270
Professional Enrollment ID
I20240326001689
Address ID
NM873015683GA1901XDRXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

824 EMERGENCY MEDICINE in OR

Loading map...

Provider Addresses for DR. MARK A STEFANELLI (M.D.)

  • 2647, Grand Avenue, Uppertown, Astoria, Clatsop County, Oregon, 97103, United States

    ASTORIA, OR 971032915

    Phone: (503) 739-6164

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-03-26

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100308000437IInternal MedicineWATBD
I20240326001689IInternal MedicineNMTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 97103)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3375041270View full group profile
NameSpecialtyState
Emergency MedicineTX
Family Practice, Emergency MedicineCO
Nurse PractitionerNM
Emergency MedicineMI
Family Practice, Internal Medicine, Emergency Medicine, Emergency MedicineLA
Family Practice, Geriatric MedicineNM
Emergency MedicineNM
Emergency MedicineWA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is DR. MARK A STEFANELLI (M.D.)'s NPI number?
DR. MARK A STEFANELLI (M.D.)'s NPI is 1366486912 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to DR. MARK A STEFANELLI (M.D.)?
You should see DR. MARK A STEFANELLI (M.D.) as active in CMS-hosted NPPES data.
What clinical focus is listed for DR. MARK A STEFANELLI (M.D.)?
At a glance, DR. MARK A STEFANELLI (M.D.) is tied to Emergency Medical Services (Emergency Medicine) Physician. Clinical services aligned with this taxonomy classification.
Where in Oregon is DR. MARK A STEFANELLI (M.D.) registered?
Use Astoria, Oregon as the headline location for DR. MARK A STEFANELLI (M.D.) here.
When was this NPI issued?
Enumeration for DR. MARK A STEFANELLI (M.D.) is noted as June 15, 2006 where the registry provides it.

Similar Providers

GARY D HOOD (MD)

Internal Medicine Physician
Saint Charles Medical Center, 2500, Northeast Neff Road, Bend, Deschutes County, Oregon, 97701, United States
NPI: 1316942709

DR. JONATHAN JUI (M.D.)

Emergency Medical Services (Emergency Medicine) Physician
24651, Southwest Gage Road, Stafford, Wilsonville, Metro, Clackamas County, Oregon, 97070, United States
NPI: 1912907908

DAVID G INGRAHAM (MD)

Emergency Medicine Physician
1501, Northeast Medical Center Drive, Bend, Deschutes County, Oregon, 97701, United States
NPI: 1902892631

DR. ALEXANDER MARSH (MD)

Emergency Medical Services (Emergency Medicine) Physician
Kaiser Sunnyside Medical Center, 10180, Southeast Sunnyside Road, Harmony, Oatfield, Metro, Clackamas County, Oregon, 97015, United States
NPI: 1013990555

DR. STEPHEN PATRICK MOON (M.D.)

Emergency Medical Services (Emergency Medicine) Physician
16788, Southwest Sarala Street, Stone Mill Estates, Cooper Park, Sexton Mountain, Beaverton, Washington County, Oregon, 97007, United States
NPI: 1003890997

JAMES F WALERY (M.D.)

Family Medicine Physician
1201 E 36th Ave
NPI: 1851366207

DR. ERIN P REILLY (MD)

Emergency Medical Services (Emergency Medicine) Physician
1520 Knox Ave
NPI: 1285602086