Samuel Costantini, MD
NPI 1851468771 · Internal Medicine Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Costantini, MD is a Internal Medicine Physician provider in Anaheim, CA (NPI 1851468771).
Provider details
- NPI number
- 1851468771
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G64700 (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
28 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $94 |
Typical Medicare-allowed amounts for these services range $94–$94 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 68 | 68 |
| Azithromycin | 27 | 27 |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub | 25 | 21 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 25 | 25 |
| Ciprofloxacin Hcl | 21 | 21 |
| Cefadroxil | 19 | 19 |
| Meloxicam | 17 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2021-12-01
Frequently asked questions
- What is Samuel Costantini's NPI number?
- Samuel Costantini's National Provider Identifier (NPI) is 1851468771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Costantini's specialty?
- Samuel Costantini is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Costantini located?
- Samuel Costantini's practice location on file with NPPES is 441 N Lakeview Ave, Anaheim, CA 92807-3028.
- What is Samuel Costantini's phone number?
- The practice phone number listed in the NPPES registry for Samuel Costantini is (888) 988-2800.
- Does Samuel Costantini accept Medicare?
- Samuel Costantini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Costantini's NPI active?
- Yes — Samuel Costantini's NPI (1851468771) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.