Jack Schafer, M.D.
NPI 1275590671 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Schafer, M.D. is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1275590671).
Provider details
- NPI number
- 1275590671
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 17574 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
310 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 110 | $71 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 109 | $71 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 28 | $128 |
| Advance Care Planning, First 30 Minutes99497 | 25 | $72 |
| Nursing Facility Discharge Day Management, 30 Minutes Or Less99315 | 22 | $78 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 234 | 48 |
| Gabapentin | 190 | 41 |
| Levothyroxine Sodium | 172 | 22 |
| Amlodipine Besylate | 129 | 31 |
| Tamsulosin Hcl | 105 | 20 |
| Apixabanbrand: Eliquis | 104 | 23 |
| Levetiracetam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$104 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-28
- Last updated
- 2007-11-26
Frequently asked questions
- What is Jack Schafer's NPI number?
- Jack Schafer's National Provider Identifier (NPI) is 1275590671, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Schafer's specialty?
- Jack Schafer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Schafer located?
- Jack Schafer's practice location on file with NPPES is 10835 North 25th Avenue, Phoenix, AZ 85029-3452.
- What is Jack Schafer's phone number?
- The practice phone number listed in the NPPES registry for Jack Schafer is (602) 789-0344.
- Does Jack Schafer accept Medicare?
- Jack Schafer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Schafer's NPI active?
- Yes — Jack Schafer's NPI (1275590671) is active in the NPPES registry as of the last update on 2007-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.