- Practice location
- 22 Bramhall St, Portland, ME 04102-3134
- Phone
- 207-662-4618
- Fax
- 207-662-6254
- Last updated
- July 9, 2026
Cashel O'Brien is an Internal Medicine, Cardiovascular Disease based in Portland, ME. Cashel O'Brien practices in Portland, ME and has the professional credentials of DO. The NPI Number for Cashel O'Brien is 1093275612 and holds a License No. DO3386 (ME). The current practice location address for Cashel O'Brien is 22 Bramhall St, Portland, ME 04102-3134 and can be reached out via phone at 207-662-4618 and via fax at 207-662-6254.
Provider Profile Details
- NPI Number
- 1093275612
- Provider Name
- Cashel O'Brien
- Credential
- DO
- Provider Entity Type
- Individual
- Gender
- Female
- Address
- 22 Bramhall St, Portland, ME 04102-3134
- Phone Number
- 207-662-4618
- Fax Number
- 207-662-6254
- Primary Taxonomy
- Internal Medicine, Cardiovascular Disease · 207RC0000X
- Sole Proprietor
- No
- Provider Enumeration Date
- March 20, 2019
- Last Update Date
- July 9, 2026
- Certification Date
- July 9, 2026
- NPI Status
- Active
Provider Business Practice Location Address Details
- Address
- 22 Bramhall St
Portland, ME 04102-3134 - City
- Portland
- State
- Maine
- Zip
- 04102-3134
- Phone Number
- 207-662-4618
- Fax Number
- 207-662-6254
Provider Business Mailing Address Details
- Address
- 22 Bramhall St
Portland, ME 04102-3134 - City
- Portland
- State
- ME
- Zip
- 04102-3134
- Phone Number
- 207-662-4618
- Fax Number
- 207-662-6254
License Information
- License Number (1)
- DO3386
- License State (1)
- ME
- Taxonomy (1)
- Hospitalist · 208M00000X
- License Number (2)
- DO3386
- License State (2)
- ME
- Taxonomy (2)
- Internal Medicine, Cardiovascular Disease · 207RC0000X · Primary
- License Number (3)
- DO3386
- License State (3)
- ME
- Taxonomy (3)
- Internal Medicine, Adolescent Medicine · 207RA0000X
- License Number (4)
- DO3386
- License State (4)
- ME
- Taxonomy (4)
- Internal Medicine · 207R00000X
Legacy Identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider. | |||
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Frequently Asked Questions
What is the NPI number of Dr. Cashel O'Brien, DO?
The NPI number of Dr. Cashel O'Brien, DO is 1093275612. It was assigned on March 20, 2019 and is currently active in the NPPES registry.
What is the specialty of Dr. Cashel O'Brien, DO?
Dr. Cashel O'Brien, DO is registered under the primary taxonomy Internal Medicine, Cardiovascular Disease (code 207RC0000X), licensed in ME under license number DO3386.
Where does Dr. Cashel O'Brien, DO practice?
The practice location is 22 Bramhall St, Portland, ME 04102-3134. The office can be reached at 207-662-4618 (phone) or 207-662-6254 (fax).
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.
How do I verify this NPI record?
This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1093275612 directly on the NPPES registry website.