Andrew Walker, P.A.
NPI 1588921639 · Medical Physician Assistant · Flourtown, PA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Walker, P.A. is a Medical Physician Assistant provider in Flourtown, PA (NPI 1588921639).
Provider details
- NPI number
- 1588921639
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- MA055193 (PA)
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 tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
122 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 86 | $53 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $79 |
Typical Medicare-allowed amounts for these services range $53–$79 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 48 | — |
| Lisinopril | 46 | 11 |
| Gabapentin | 38 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 21 | — |
| Amlodipine Besylate | 20 | — |
| Atorvastatin Calcium | 19 | — |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-13
- Last updated
- 2017-02-17
Frequently asked questions
- What is Andrew Walker's NPI number?
- Andrew Walker's National Provider Identifier (NPI) is 1588921639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Walker's specialty?
- Andrew Walker is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrew Walker located?
- Andrew Walker's practice location on file with NPPES is 2102 Carolton Way, Flourtown, PA 19031-1605.
- What is Andrew Walker's phone number?
- The practice phone number listed in the NPPES registry for Andrew Walker is (215) 983-4842.
- Does Andrew Walker accept Medicare?
- Andrew Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Walker's NPI active?
- Yes — Andrew Walker's NPI (1588921639) is active in the NPPES registry as of the last update on 2017-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.