Warren Ho, MD
NPI 1073721965 · Nephrology Physician · Prescott, AZ
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Ho, MD is a Nephrology Physician provider in Prescott, AZ (NPI 1073721965).
Provider details
- NPI number
- 1073721965
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 12304 (ND)
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 tenure25% of score
19 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
1,875 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 667 | $174 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 426 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 249 | $111 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 128 | $212 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 127 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bumetanide | 251 | 86 |
| Amlodipine Besylate | 198 | 63 |
| Calcitriol | 196 | 58 |
| Hydralazine Hcl | 178 | 50 |
| Potassium Chloride | 142 | 46 |
| Losartan Potassium | 137 | 46 |
| Allopurinol | 115 | 44 |
| Chlorthalidone | 88 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,078 across 52 records (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
- 2007-05-21
- Last updated
- 2019-01-28
Frequently asked questions
- What is Warren Ho's NPI number?
- Warren Ho's National Provider Identifier (NPI) is 1073721965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Ho's specialty?
- Warren Ho is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Ho located?
- Warren Ho's practice location on file with NPPES is 3122 Willow Creek Rd, Prescott, AZ 86301-6610.
- What is Warren Ho's phone number?
- The practice phone number listed in the NPPES registry for Warren Ho is (928) 445-7632.
- Does Warren Ho accept Medicare?
- Warren Ho is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Warren Ho's NPI active?
- Yes — Warren Ho's NPI (1073721965) is active in the NPPES registry as of the last update on 2019-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.