ALEXANDER CASTIELLO (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1780628313

ALEXANDER CASTIELLO (MD) is a healthcare provider. based in Bellingham, Washington. specializing in Anatomic Pathology & Clinical Pathology Physician. They hold the professional credentials MD. They hold a License No. 192330 (AK). The NPI Number for ALEXANDER CASTIELLO (MD) is 1780628313

Main info

Male
32 Years Of Experience
Accepts Medicare Assignment
Name
ALEXANDER CASTIELLO (MD)
NPI
1780628313
Phone
(360) 734-2800
Address
3614 Meridian St Ste 100
Enumeration Date
15 June 2006
Last Update Date
14 June 2022

Doctor Profile

Medical School Name
UNIVERSITY OF SOUTH FLORIDA COLLEGE OF MEDICINE
Secondary Phone
8592789513
Graduation Year
1994 (32 years ago)
PAC ID
7517137409
Group Practice PAC ID
4688573900
Professional Enrollment ID
I20150831002178
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience84
Completeness75
Years active:19State licenses:4Digital endpointsOther names

Provider Addresses for ALEXANDER CASTIELLO (MD)

  • 3614 Meridian St Ste 100

    Bellingham, WA 982251748

    Phone: (360) 734-2800

    Fax: (360) 734-3818

    Type: Location

  • 3548 Meridian St Ste 101

    Bellingham, WA 982251710

    Phone: (360) 734-2800

    Fax: (360) 734-3818

    Type: Location

  • 290, Big Run Road, Open Gates, Lexington, Fayette County, Kentucky, 40503, United States

    LEXINGTON, KY 405032903

    Phone: (859) 278-9513

    Fax: (859) 277-6063

    Type: Mailing

  • 3560 MERIDIAN ST STE 101

    BELLINGHAM, WA 982251731

    Phone: (360) 527-4507

    Fax: (360) 527-9965

    Type: Mailing

  • 111 S 12TH ST STE D

    MOUNT VERNON, WA 982744000

    Phone: (360) 734-2800

    Fax: (360) 734-3818

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

No Medicare enrollment or revalidation data available for this provider in our database.

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
88305Pathology examination of tissue using a microscope, intermediate complexity8165$0
88304Pathology examination of tissue using a microscope, moderately low complexity1414$0
88342Special stained specimen slides to examine tissue, initial procedure1212$0
View full utilization report →

Insurance plans in this area (ZIP 98225)

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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: 4688573900View full group profile
NameSpecialtyState
P A T H O L O G YKY
-KY
P A T H O L O G YKY
P A T H O L O G YTX
P A T H O L O G YKY
-KY
P A T H O L O G YMI
P A T H O L O G YKY
P A T H O L O G YKY
P A T H O L O G YKY

Reviews

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Frequently asked questions

Can I use this page to confirm ALEXANDER CASTIELLO (MD)'s NPI?
Yes. ALEXANDER CASTIELLO (MD) is listed with NPI 1780628313 in the public NPI dataset.
Does CMS list ALEXANDER CASTIELLO (MD) as active?
Yes — ALEXANDER CASTIELLO (MD) is active in the NPI listing used on this page.
What is ALEXANDER CASTIELLO (MD)'s specialty?
The listing groups ALEXANDER CASTIELLO (MD) with Anatomic Pathology & Clinical Pathology Physician. Clinical services aligned with this taxonomy classification.
Where should I expect ALEXANDER CASTIELLO (MD) on a map?
Expect Bellingham, Washington as a primary anchor for ALEXANDER CASTIELLO (MD) unless the record lists multiple sites.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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