Merrion Dawson, MD
NPI 1952042947 · Family Medicine Physician · San Tan Valley, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Merrion Dawson, MD is a Family Medicine Physician provider in San Tan Valley, AZ (NPI 1952042947).
Provider details
- NPI number
- 1952042947
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 76940 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 29 | 12 |
| Levothyroxine Sodium | 24 | — |
| Atorvastatin Calcium | 19 | — |
| Losartan Potassium | 18 | — |
| Tamsulosin Hcl | 18 | — |
| Furosemide | 17 | — |
| Duloxetine Hcl | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-05
- Last updated
- 2025-08-07
- Certified
- 2025-08-07
Frequently asked questions
- What is Merrion Dawson's NPI number?
- Merrion Dawson's National Provider Identifier (NPI) is 1952042947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merrion Dawson's specialty?
- Merrion Dawson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Merrion Dawson located?
- Merrion Dawson's practice location on file with NPPES is 37100 N Gantzel Rd Ste 201, San Tan Valley, AZ 85140-7352.
- What is Merrion Dawson's phone number?
- The practice phone number listed in the NPPES registry for Merrion Dawson is (480) 394-4469.
- Does Merrion Dawson accept Medicare?
- Merrion Dawson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Merrion Dawson's NPI active?
- Yes — Merrion Dawson's NPI (1952042947) is active in the NPPES registry as of the last update on 2025-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.