Mr Daniel Patrick O'brien, PA-C is a medicare enrolled "Emergency Medicine" in Southborough, Massachusetts. He graduated from nursing school in 2021 and has 5 years of diverse experience with area of expertise as Physician Assistant. He is a member of the group practice Milford Regional Physician Group, Inc., Umass Memorial Medical Group Inc and his current practice location is
9 Watkins Ln, Southborough, Massachusetts. You can reach out to his office (for appointments etc.) via phone at
(508) 612-1567.
Mr Daniel Patrick O'brien is licensed to practice in Massachusetts (license number PA8087) and he also participates in the medicare program. He
accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1689284366.
Provider's Profile
| Full Name | Mr Daniel Patrick O'brien |
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| Gender | Male |
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| Speciality | Physician Assistant |
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| Experience | 5 Years |
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| Location | 9 Watkins Ln, Southborough, Massachusetts |
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| Accepts Medicare Assignments | Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance. |
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Medical Education and Training:
- Mr Daniel Patrick O'brien graduated from nursing school in 2021
NPI Data:
- NPI Number: 1689284366
- Provider Enumeration Date: 08/06/2020
- Last Update Date: 08/28/2025
Medicare PECOS Information:
- PECOS PAC ID: 8022414770
- Enrollment ID: I20210907000736
Medical Identifiers
Medical identifiers for Mr Daniel Patrick O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
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| 1689284366 | NPI | - | NPPES |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 363A00000X | Physician Assistant | PA8087 (Massachusetts) | Secondary |
| 207P00000X | Emergency Medicine | PA8087 (Massachusetts) | Primary |
Medical Facilities Affiliation
Group Practice Association
| Group Practice Name | Group PECOS PAC ID | No. of Members |
|---|
| Milford Regional Physician Group, Inc. | 5597679449 | 219 |
| Umass Memorial Medical Group Inc | 4284539891 | 2494 |
Medicare Reassignments
Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mr Daniel Patrick O'brien allows following entities to bill medicare on his behalf.
| Entity Name | Umass Memorial Medical Group Inc |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1760445373
PECOS PAC ID: 4284539891
Enrollment ID: O20040113000267 |
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| Entity Name | Orion Emergency Services, Inc. |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1588728240
PECOS PAC ID: 5597753251
Enrollment ID: O20040503001118 |
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| Entity Name | Milford Regional Physician Group, Inc. |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1902856024
PECOS PAC ID: 5597679449
Enrollment ID: O20040503001341 |
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Medicare Part D Prescriber Enrollment
Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mr Daniel Patrick O'brien is
enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.
Mailing Address and Practice Location
| Mailing Address | Practice Location Address |
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Mr Daniel Patrick O'brien, PA-C
8 Cirrus Dr Apt 8103,
Ashland, MA 01721-4458
Ph: (508) 612-1567 | Mr Daniel Patrick O'brien, PA-C
9 Watkins Ln,
Southborough, MA 01772-2072
Ph: (508) 612-1567 |
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