Andrew Maestas, MD
NPI 1659563773 · Internal Medicine Physician · Holbrook, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Maestas, MD is a Internal Medicine Physician provider in Holbrook, AZ (NPI 1659563773).
Provider details
- NPI number
- 1659563773
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21878 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
271 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 138 | $174 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 133 | $124 |
Typical Medicare-allowed amounts for these services range $124–$174 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrochlorothiazide | 51 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 30 | — |
| Insulin Glargine,hum.rec.anlogbrand: Lantus | 22 | — |
| Furosemide | 20 | — |
| Levothyroxine Sodium | 19 | — |
| Carvedilol | 18 | — |
| Metoprolol Tartrate | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-13
- Last updated
- 2012-12-18
Frequently asked questions
- What is Andrew Maestas's NPI number?
- Andrew Maestas's National Provider Identifier (NPI) is 1659563773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Maestas's specialty?
- Andrew Maestas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Maestas located?
- Andrew Maestas's practice location on file with NPPES is 500 E Iowa St, Holbrook, AZ 86025-2750.
- What is Andrew Maestas's phone number?
- The practice phone number listed in the NPPES registry for Andrew Maestas is (928) 524-3913.
- Does Andrew Maestas accept Medicare?
- Andrew Maestas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Maestas's NPI active?
- Yes — Andrew Maestas's NPI (1659563773) is active in the NPPES registry as of the last update on 2012-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.