Christopher Perez, M.D.
NPI 1437144318 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Perez, M.D. is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1437144318).
Provider details
- NPI number
- 1437144318
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 34073 (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
20 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
861 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 475 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 148 | $166 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 144 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 77 | $73 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 17 | $74 |
Typical Medicare-allowed amounts for these services range $73–$166 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 34 | 34 |
| Cyclobenzaprine Hcl | 22 | 22 |
| Ondansetronbrand: Ondansetron Odt | 19 | 16 |
| Pantoprazole Sodium | 18 | 14 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 13 | 13 |
| Prednisone | 12 | 12 |
| Clopidogrel Bisulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-15
- Last updated
- 2016-03-09
Frequently asked questions
- What is Christopher Perez's NPI number?
- Christopher Perez's National Provider Identifier (NPI) is 1437144318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Perez's specialty?
- Christopher Perez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Perez located?
- Christopher Perez's practice location on file with NPPES is 9225 N 3rd St Ste 300, Phoenix, AZ 85020-2466.
- What is Christopher Perez's phone number?
- The practice phone number listed in the NPPES registry for Christopher Perez is (602) 445-0751.
- Does Christopher Perez accept Medicare?
- Christopher Perez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Perez's NPI active?
- Yes — Christopher Perez's NPI (1437144318) is active in the NPPES registry as of the last update on 2016-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.