Kenneth Tam, M.D.
NPI 1821081423 · Cardiovascular Disease Physician · Mission Hills, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Tam, M.D. is a Cardiovascular Disease Physician provider in Mission Hills, CA (NPI 1821081423).
Provider details
- NPI number
- 1821081423
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G71122 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,948 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 | 698 | $144 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 672 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 211 | $85 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 186 | $74 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 158 | $227 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 164 | 52 |
| Metoprolol Succinate | 160 | 53 |
| Losartan Potassium | 134 | 52 |
| Rivaroxabanbrand: Xarelto | 130 | 35 |
| Rosuvastatin Calcium | 114 | 40 |
| Amlodipine Besylate | 114 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,857 across 101 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 (1)
- 23929 Mcbean Pkwy Ste 216Valencia, CA 91355-4468Phone: (661) 259-1534Fax: (661) 284-3670
Registry dates
- Enumerated
- 2005-08-30
- Last updated
- 2022-08-12
- Certified
- 2022-08-12
Frequently asked questions
- What is Kenneth Tam's NPI number?
- Kenneth Tam's National Provider Identifier (NPI) is 1821081423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Tam's specialty?
- Kenneth Tam is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Tam located?
- Kenneth Tam's practice location on file with NPPES is 14901 Rinaldi St Ste 110, Mission Hills, CA 91345-1253.
- What is Kenneth Tam's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Tam is (818) 365-1339.
- Does Kenneth Tam accept Medicare?
- Kenneth Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Tam's NPI active?
- Yes — Kenneth Tam's NPI (1821081423) is active in the NPPES registry as of the last update on 2022-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.