Heidi O'Brien, PA-C
NPI 1417057944 · Physician Assistant · Milford, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heidi O'Brien, PA-C is a Physician Assistant provider in Milford, MA (NPI 1417057944).
Provider details
- NPI number
- 1417057944
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP 1492 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
552 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 133 | $78 |
| Automated Urinalysis Test81003 | 112 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $110 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 93 | $110 |
| Urinalysis, Manual Test81002 | 57 | $3 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 727 | 235 |
| Mirabegronbrand: Myrbetriq | 297 | 74 |
| Vibegronbrand: Gemtesa | 257 | 66 |
| Methenamine Hippurate | 235 | 57 |
| Finasteride | 226 | 68 |
| Solifenacin Succinate | 200 | 64 |
| Cefpodoxime Proxetil | 139 | 94 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$386 across 17 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-24
- Last updated
- 2016-01-04
Frequently asked questions
- What is Heidi O'Brien's NPI number?
- Heidi O'Brien's National Provider Identifier (NPI) is 1417057944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi O'Brien's specialty?
- Heidi O'Brien is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Heidi O'Brien located?
- Heidi O'Brien's practice location on file with NPPES is 115 Water St, Milford, MA 01757-3015.
- What is Heidi O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Heidi O'Brien is (508) 482-5411.
- Does Heidi O'Brien accept Medicare?
- Heidi O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heidi O'Brien's NPI active?
- Yes — Heidi O'Brien's NPI (1417057944) is active in the NPPES registry as of the last update on 2016-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.