Susan Greiner, PA-C
NPI 1851466825 · Physician Assistant · East China, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Greiner, PA-C is a Physician Assistant provider in East China, MI (NPI 1851466825).
Provider details
- NPI number
- 1851466825
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 5601003848 (MI)
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
1,427 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) |
|---|---|---|
| Automated Urinalysis Test81003 | 493 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 262 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 244 | $76 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 145 | $11 |
| Instillation of Anti-Cancer Drug Into Bladder51720 | 131 | $74 |
| Simple Bladder Irrigation And/Or Instillation51700 | 50 | $62 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 362 | 134 |
| Doxycycline Hyclate | 114 | 102 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 97 | 57 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 94 | 35 |
| Estradiol | 90 | 58 |
| Cephalexin | 80 | 69 |
| Mirabegronbrand: Myrbetriq | 80 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,460 across 62 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
- 2006-11-22
- Last updated
- 2019-02-18
Frequently asked questions
- What is Susan Greiner's NPI number?
- Susan Greiner's National Provider Identifier (NPI) is 1851466825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Greiner's specialty?
- Susan Greiner is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Susan Greiner located?
- Susan Greiner's practice location on file with NPPES is 4100 River Rd, East China, MI 48054-2909.
- What is Susan Greiner's phone number?
- The practice phone number listed in the NPPES registry for Susan Greiner is (810) 326-2078.
- Does Susan Greiner accept Medicare?
- Susan Greiner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Greiner's NPI active?
- Yes — Susan Greiner's NPI (1851466825) is active in the NPPES registry as of the last update on 2019-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.