Zachary Mueller, DO
NPI 1801232608 · Hospitalist Physician · Portland, ME
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Mueller, DO is a Hospitalist Physician provider in Portland, ME (NPI 1801232608).
Provider details
- NPI number
- 1801232608
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO2636 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
396 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 | 156 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 67 | $116 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 62 | $112 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 61 | $171 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 20 | $108 |
| Critical Care, First 30-74 Minutes99291 | 16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 32 | 31 |
| Atorvastatin Calcium | 23 | 11 |
| Cefdinir | 22 | 22 |
| Potassium Chloride | 19 | 18 |
| Furosemide | 18 | 17 |
| Montelukast Sodium | 18 | — |
| Rosuvastatin Calcium | 17 | — |
Practice location
Mailing address
Additional practice locations (5)
- 118 Northport AveBelfast, ME 04915-6009Phone: (207) 338-2500Fax: (207) 505-4590
- 1 Medical Center DrBiddeford, ME 04005-9422Phone: (207) 283-7937Fax: (207) 283-7018
- 300 Main StLewiston, ME 04240-7027Phone: (207) 795-7575Fax: (207) 795-7133
- 6 Glen Cove DrRockport, ME 04856-4272Phone: (207) 301-8542Fax: (207) 301-5277
- 25 June StSanford, ME 04073-2621Phone: (207) 324-4310Fax: (207) 490-7999
Registry dates
- Enumerated
- 2013-05-20
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Frequently asked questions
- What is Zachary Mueller's NPI number?
- Zachary Mueller's National Provider Identifier (NPI) is 1801232608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Mueller's specialty?
- Zachary Mueller is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Mueller located?
- Zachary Mueller's practice location on file with NPPES is 22 Bramhall St, Portland, ME 04102-3134.
- What is Zachary Mueller's phone number?
- The practice phone number listed in the NPPES registry for Zachary Mueller is (207) 662-4618.
- Does Zachary Mueller accept Medicare?
- Zachary Mueller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Mueller's NPI active?
- Yes — Zachary Mueller's NPI (1801232608) is active in the NPPES registry as of the last update on 2026-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.