Amy Pfitzinger, PA
NPI 1538555875 · Physician Assistant · Chesterfield, MO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Pfitzinger, PA is a Physician Assistant provider in Chesterfield, MO (NPI 1538555875).
Provider details
- NPI number
- 1538555875
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 2015009299 (MO)
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
11 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
489 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 | 159 | $74 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 143 | $63 |
| X-Ray of Knee, 4 Or More Views73564 | 50 | $44 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 49 | $168 |
| X-Ray of Knee, 3 Views73562 | 34 | $31 |
| X-Ray of Hip, 2-3 Views73502 | 24 | $35 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Celecoxib | 189 | 118 |
| Diclofenac Sodium | 141 | 49 |
| Cephalexin | 123 | 93 |
| Meloxicam | 60 | 32 |
| Prednisone | 38 | 36 |
| Methylprednisolone | 23 | 23 |
| Gabapentin | 19 | — |
| Ondansetronbrand: Ondansetron Odt | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$247 across 5 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
- 2015-04-14
- Last updated
- 2015-04-14
Frequently asked questions
- What is Amy Pfitzinger's NPI number?
- Amy Pfitzinger's National Provider Identifier (NPI) is 1538555875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Pfitzinger's specialty?
- Amy Pfitzinger is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Amy Pfitzinger located?
- Amy Pfitzinger's practice location on file with NPPES is 14825 N Outer 40 Rd, Chesterfield, MO 63017-2152.
- What is Amy Pfitzinger's phone number?
- The practice phone number listed in the NPPES registry for Amy Pfitzinger is (314) 336-2555.
- Does Amy Pfitzinger accept Medicare?
- Amy Pfitzinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Pfitzinger's NPI active?
- Yes — Amy Pfitzinger's NPI (1538555875) is active in the NPPES registry as of the last update on 2015-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.