Patricia Ryan-Blanchard, NP
NPI 1639144421 · Adult Health Nurse Practitioner · Harwich, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patricia Ryan-Blanchard, NP is a Adult Health Nurse Practitioner provider in Harwich, MA (NPI 1639144421).
Provider details
- NPI number
- 1639144421
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 161231 (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
20 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
719 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 156 | $110 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 62 | $7 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 55 | $112 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 50 | $8 |
| Bilirubin Level, Total82247 | 48 | $5 |
| Liver Enzyme (sgpt), Level84460 | 48 | $5 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 65 | 25 |
| Levothyroxine Sodium | 64 | 25 |
| Losartan Potassium | 63 | 23 |
| Lisinopril | 60 | 28 |
| Atorvastatin Calcium | 57 | 26 |
| Omeprazole | 44 | 17 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (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
- 2006-02-23
- Last updated
- 2010-05-03
Frequently asked questions
- What is Patricia Ryan-Blanchard's NPI number?
- Patricia Ryan-Blanchard's National Provider Identifier (NPI) is 1639144421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patricia Ryan-Blanchard's specialty?
- Patricia Ryan-Blanchard is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Patricia Ryan-Blanchard located?
- Patricia Ryan-Blanchard's practice location on file with NPPES is 525 Long Pond Drive, Harwich, MA 02645.
- What is Patricia Ryan-Blanchard's phone number?
- The practice phone number listed in the NPPES registry for Patricia Ryan-Blanchard is (508) 432-4100.
- Does Patricia Ryan-Blanchard accept Medicare?
- Patricia Ryan-Blanchard is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patricia Ryan-Blanchard's NPI active?
- Yes — Patricia Ryan-Blanchard's NPI (1639144421) is active in the NPPES registry as of the last update on 2010-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.