Michael Charney, M.D.
NPI 1700955143 · Infectious Disease Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Charney, M.D. is a Infectious Disease Physician provider in San Jose, CA (NPI 1700955143).
Provider details
- NPI number
- 1700955143
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G22044 (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
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
682 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 | 262 | $129 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 133 | $155 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 108 | $74 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 83 | $194 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 52 | $199 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rifampin | 166 | 52 |
| Doxycycline Hyclate | 51 | 34 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 47 | — |
| Fluconazole | 46 | 12 |
| Ethambutol Hcl | 45 | — |
| Ciprofloxacin Hcl | 45 | 17 |
| Isoniazid | 43 | 13 |
| Efavirenz/Emtricit/Tenofovr Dfbrand: Efavirenz-Emtric-Tenofov Disop |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$454 across 6 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
- 2006-11-07
- Last updated
- 2008-12-04
Frequently asked questions
- What is Michael Charney's NPI number?
- Michael Charney's National Provider Identifier (NPI) is 1700955143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Charney's specialty?
- Michael Charney is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Charney located?
- Michael Charney's practice location on file with NPPES is 2100 Forest Ave, San Jose, CA 95128-1422.
- What is Michael Charney's phone number?
- The practice phone number listed in the NPPES registry for Michael Charney is (408) 286-6470.
- Does Michael Charney accept Medicare?
- Michael Charney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Charney's NPI active?
- Yes — Michael Charney's NPI (1700955143) is active in the NPPES registry as of the last update on 2008-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.