Neal Klein, MD
NPI 1639111743 · Interventional Cardiology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neal Klein, MD is a Interventional Cardiology Physician provider in Phoenix, AZ (NPI 1639111743).
Provider details
- NPI number
- 1639111743
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 12569 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4,411 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,367 | $125 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 726 | $14 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 448 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 429 | $186 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 382 | $9 |
| Evaluation of Cardiac Rhythm Monitor System, Remote Up to 30 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 337 | 110 |
| Rosuvastatin Calcium | 311 | 112 |
| Metoprolol Succinate | 300 | 114 |
| Losartan Potassium | 264 | 89 |
| Apixabanbrand: Eliquis | 262 | 71 |
| Metoprolol Tartrate | 254 | 84 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39 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
- 2006-06-12
- Last updated
- 2023-03-07
- Certified
- 2021-04-08
Frequently asked questions
- What is Neal Klein's NPI number?
- Neal Klein's National Provider Identifier (NPI) is 1639111743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Neal Klein's specialty?
- Neal Klein is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Neal Klein located?
- Neal Klein's practice location on file with NPPES is 2777 E Camelback Rd Ste 200, Phoenix, AZ 85016-4352.
- What is Neal Klein's phone number?
- The practice phone number listed in the NPPES registry for Neal Klein is (602) 952-0002.
- Does Neal Klein accept Medicare?
- Neal Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Neal Klein's NPI active?
- Yes — Neal Klein's NPI (1639111743) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.