Walter Dowling, PA-C
NPI 1386231645 · Physician Assistant · Portland, ME
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Dowling, PA-C is a Physician Assistant provider in Portland, ME (NPI 1386231645).
Provider details
- NPI number
- 1386231645
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA2594 (ME)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
129 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 85 | $62 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 23 | $96 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 21 | $89 |
Typical Medicare-allowed amounts for these services range $62–$96 (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 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 103 | 45 |
| Amlodipine Besylate | 66 | 24 |
| Tamsulosin Hcl | 60 | 24 |
| Lisinopril | 57 | 28 |
| Losartan Potassium | 55 | 23 |
| Gabapentin | 47 | 18 |
| Levothyroxine Sodium |
Practice location
Mailing address
Additional practice locations (3)
- 1 Medical Center DrBiddeford, ME 04005-9422Phone: (207) 283-7937Fax: (207) 283-7018
- 887 Congress St Ste 400Portland, ME 04102-3163Phone: (207) 774-6368Fax: (207) 774-9388
- 25 June StSanford, ME 04073-2621Phone: (207) 324-4310
Registry dates
- Enumerated
- 2020-12-21
- Last updated
- 2025-12-22
- Certified
- 2025-12-22
Frequently asked questions
- What is Walter Dowling's NPI number?
- Walter Dowling's National Provider Identifier (NPI) is 1386231645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Dowling's specialty?
- Walter Dowling is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Walter Dowling located?
- Walter Dowling's practice location on file with NPPES is 22 Bramhall St, Portland, ME 04102-3175.
- What is Walter Dowling's phone number?
- The practice phone number listed in the NPPES registry for Walter Dowling is (207) 662-2934.
- Does Walter Dowling accept Medicare?
- Walter Dowling is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Dowling's NPI active?
- Yes — Walter Dowling's NPI (1386231645) is active in the NPPES registry as of the last update on 2025-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.