Guy Natale, M.D.
NPI 1255491510 · Internal Medicine Physician · Arcadia, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guy Natale, M.D. is a Internal Medicine Physician provider in Arcadia, CA (NPI 1255491510).
Provider details
- NPI number
- 1255491510
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G45296 (CA)
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
19 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
671 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 381 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 276 | $184 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 14 | $94 |
Typical Medicare-allowed amounts for these services range $94–$184 (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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 72 | 15 |
| Amlodipine Besylate | 71 | 20 |
| Atorvastatin Calcium | 58 | 15 |
| Azithromycin | 48 | 36 |
| Potassium Chloride | 33 | 11 |
| Lisinopril | 30 | — |
| Rosuvastatin Calcium | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Guy Natale's NPI number?
- Guy Natale's National Provider Identifier (NPI) is 1255491510, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Natale's specialty?
- Guy Natale is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guy Natale located?
- Guy Natale's practice location on file with NPPES is 623 W Duarte Rd Ste 8, Arcadia, CA 91007-7349.
- What is Guy Natale's phone number?
- The practice phone number listed in the NPPES registry for Guy Natale is (626) 447-9340.
- Does Guy Natale accept Medicare?
- Guy Natale is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guy Natale's NPI active?
- Yes — Guy Natale's NPI (1255491510) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.