Nathan Charapata, MD
NPI 1578982864 · Internal Medicine Physician · Tempe, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Charapata, MD is a Internal Medicine Physician provider in Tempe, AZ (NPI 1578982864).
Provider details
- NPI number
- 1578982864
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 13615C (WY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
12 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
471 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 363 | $127 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 50 | $170 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 45 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 13 | $105 |
Typical Medicare-allowed amounts for these services range $73–$170 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-15
- Last updated
- 2024-12-06
- Certified
- 2024-12-06
Frequently asked questions
- What is Nathan Charapata's NPI number?
- Nathan Charapata's National Provider Identifier (NPI) is 1578982864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Charapata's specialty?
- Nathan Charapata is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Charapata located?
- Nathan Charapata's practice location on file with NPPES is 1715 N Ventura Ln, Tempe, AZ 85288-1463.
- What is Nathan Charapata's phone number?
- The practice phone number listed in the NPPES registry for Nathan Charapata is (970) 238-6375.
- Does Nathan Charapata accept Medicare?
- Nathan Charapata is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Charapata's NPI active?
- Yes — Nathan Charapata's NPI (1578982864) is active in the NPPES registry as of the last update on 2024-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.