Jeffrey Chow, DO
NPI 1285124222 · Nephrology Physician · Granada Hills, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Chow, DO is a Nephrology Physician provider in Granada Hills, CA (NPI 1285124222).
Provider details
- NPI number
- 1285124222
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A19148 (CA)
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
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,191 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 541 | $122 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 130 | $42 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 101 | $54 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 100 | $137 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 74 | $179 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 84 | 40 |
| Losartan Potassium | 83 | 39 |
| Amlodipine Besylate | 74 | 41 |
| Chlorthalidone | 67 | 18 |
| Lisinopril | 63 | 26 |
| Empagliflozinbrand: Jardiance | 53 | 24 |
| Hydralazine Hcl | 52 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$976 across 37 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
Additional practice locations (2)
- 23928 Lyons Ave # 105240Newhall, CA 91321-2409Phone: (661) 254-0193Fax: (661) 254-2248
- 200 W Arbor DrSan Diego, CA 92103-9000Phone: (619) 543-4619
Registry dates
- Enumerated
- 2018-05-15
- Last updated
- 2024-10-25
- Certified
- 2024-02-01
Frequently asked questions
- What is Jeffrey Chow's NPI number?
- Jeffrey Chow's National Provider Identifier (NPI) is 1285124222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Chow's specialty?
- Jeffrey Chow is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Chow located?
- Jeffrey Chow's practice location on file with NPPES is 10605 Balboa Blvd Ste 240, Granada Hills, CA 91344-6374.
- What is Jeffrey Chow's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Chow is (818) 366-4626.
- Does Jeffrey Chow accept Medicare?
- Jeffrey Chow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Chow's NPI active?
- Yes — Jeffrey Chow's NPI (1285124222) is active in the NPPES registry as of the last update on 2024-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.