Diane Linzer, D.O.
NPI 1780679845 · Internal Medicine Physician · Bethpage, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Linzer, D.O. is a Internal Medicine Physician provider in Bethpage, NY (NPI 1780679845).
Provider details
- NPI number
- 1780679845
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 220032 (NY)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,246 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 | 440 | $146 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 356 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 250 | $104 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 73 | $17 |
| Administration of Influenza Virus VaccineG0008 | 60 | $37 |
| Administration of Pneumococcal VaccineG0009 | 24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 297 | 77 |
| Atorvastatin Calcium | 261 | 70 |
| Amlodipine Besylate | 258 | 74 |
| Rosuvastatin Calcium | 231 | 72 |
| Famotidine | 133 | 36 |
| Metoprolol Succinate | 124 | 36 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$62 across 3 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
- 2005-09-14
- Last updated
- 2021-02-16
- Certified
- 2021-02-16
Frequently asked questions
- What is Diane Linzer's NPI number?
- Diane Linzer's National Provider Identifier (NPI) is 1780679845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Linzer's specialty?
- Diane Linzer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Linzer located?
- Diane Linzer's practice location on file with NPPES is 530 Hicksville Rd, Bethpage, NY 11714-3415.
- What is Diane Linzer's phone number?
- The practice phone number listed in the NPPES registry for Diane Linzer is (516) 937-5000.
- Does Diane Linzer accept Medicare?
- Diane Linzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Linzer's NPI active?
- Yes — Diane Linzer's NPI (1780679845) is active in the NPPES registry as of the last update on 2021-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.