Katherine Blackwell
NPI 1942570973 · Medical Physician Assistant · Port Huron, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Blackwell is a Medical Physician Assistant provider in Port Huron, MI (NPI 1942570973).
Provider details
- NPI number
- 1942570973
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
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
14 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,843 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 | 370 | $104 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 270 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 173 | $5 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 160 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 149 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 110 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 317 | 115 |
| Levothyroxine Sodium | 237 | 80 |
| Lisinopril | 236 | 79 |
| Amlodipine Besylate | 172 | 57 |
| Losartan Potassium | 168 | 52 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 168 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$821 across 49 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
- 2012-01-06
- Last updated
- 2016-12-19
Frequently asked questions
- What is Katherine Blackwell's NPI number?
- Katherine Blackwell's National Provider Identifier (NPI) is 1942570973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Blackwell's specialty?
- Katherine Blackwell is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Blackwell located?
- Katherine Blackwell's practice location on file with NPPES is 1209 10th St, Port Huron, MI 48060-5262.
- What is Katherine Blackwell's phone number?
- The practice phone number listed in the NPPES registry for Katherine Blackwell is (810) 985-8170.
- Does Katherine Blackwell accept Medicare?
- Katherine Blackwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Blackwell's NPI active?
- Yes — Katherine Blackwell's NPI (1942570973) is active in the NPPES registry as of the last update on 2016-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.