Susan Barnhardt, PAC
NPI 1598702540 · Physician Assistant · Ludington, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Barnhardt, PAC is a Physician Assistant provider in Ludington, MI (NPI 1598702540).
Provider details
- NPI number
- 1598702540
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Surgical Physician Assistant363AS0400X
Physician Assistants & Advanced Practice Nursing Providers
- Medical Physician Assistant363AM0700X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 177 | 166 |
| Azithromycin | 106 | 101 |
| Prednisone | 84 | 79 |
| Cephalexin | 76 | 74 |
| Doxycycline Hyclate | 71 | 69 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 37 | 37 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 32 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$144 across 2 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
Additional practice locations (1)
- 6071 W Outer DrDetroit, MI 48235-2624Phone: (313) 966-3300Fax: (810) 765-8169
Registry dates
- Enumerated
- 2006-05-31
- Last updated
- 2023-04-17
- Certified
- 2023-04-17
Frequently asked questions
- What is Susan Barnhardt's NPI number?
- Susan Barnhardt's National Provider Identifier (NPI) is 1598702540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Barnhardt's specialty?
- Susan Barnhardt is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Susan Barnhardt located?
- Susan Barnhardt's practice location on file with NPPES is 5656 W US Highway 10, Ludington, MI 49431-2454.
- What is Susan Barnhardt's phone number?
- The practice phone number listed in the NPPES registry for Susan Barnhardt is (231) 843-2543.
- Does Susan Barnhardt accept Medicare?
- Susan Barnhardt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Barnhardt's NPI active?
- Yes — Susan Barnhardt's NPI (1598702540) is active in the NPPES registry as of the last update on 2023-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.