Bernard Katz, M.D.
NPI 1942341581 · Internal Medicine Physician · Valhalla, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bernard Katz, M.D. is a Internal Medicine Physician provider in Valhalla, NY (NPI 1942341581).
Provider details
- NPI number
- 1942341581
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 158968-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
98 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $103 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 22 | $9 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 13 | $17 |
| Urinalysis, Manual Test81002 | 11 | $3 |
Typical Medicare-allowed amounts for these services range $3–$103 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 232 | 58 |
| Amlodipine Besylate | 229 | 59 |
| Omeprazole | 161 | 34 |
| Atorvastatin Calcium | 158 | 43 |
| Ibuprofen | 150 | 43 |
| Gabapentin | 137 | 34 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-08
- Last updated
- 2015-12-16
Frequently asked questions
- What is Bernard Katz's NPI number?
- Bernard Katz's National Provider Identifier (NPI) is 1942341581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bernard Katz's specialty?
- Bernard Katz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bernard Katz located?
- Bernard Katz's practice location on file with NPPES is 100 Woods Rd, Valhalla, NY 10595-1530.
- What is Bernard Katz's phone number?
- The practice phone number listed in the NPPES registry for Bernard Katz is (914) 493-6616.
- Does Bernard Katz accept Medicare?
- Bernard Katz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bernard Katz's NPI active?
- Yes — Bernard Katz's NPI (1942341581) is active in the NPPES registry as of the last update on 2015-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.