Joseph Fleischer, MD
NPI 1386670206 · Internal Medicine Physician · Emerson, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Fleischer, MD is a Internal Medicine Physician provider in Emerson, NJ (NPI 1386670206).
Provider details
- NPI number
- 1386670206
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MA72147 (NJ)
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
1,043 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 | 501 | $131 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 220 | $87 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 180 | $128 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 112 | $193 |
| Advance Care Planning, First 30 Minutes99497 | 18 | $85 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 41 | 21 |
| Metoprolol Succinate | 36 | 15 |
| Pantoprazole Sodium | 31 | 22 |
| Gabapentin | 23 | 14 |
| Metoprolol Tartrate | 20 | 12 |
| Levetiracetam | 19 | — |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$71 across 4 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
- 2006-06-23
- Last updated
- 2008-07-02
Frequently asked questions
- What is Joseph Fleischer's NPI number?
- Joseph Fleischer's National Provider Identifier (NPI) is 1386670206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Fleischer's specialty?
- Joseph Fleischer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Fleischer located?
- Joseph Fleischer's practice location on file with NPPES is 466 Old Hook Rd, Emerson, NJ 07630-1396.
- What is Joseph Fleischer's phone number?
- The practice phone number listed in the NPPES registry for Joseph Fleischer is (021) 967-8221.
- Does Joseph Fleischer accept Medicare?
- Joseph Fleischer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Fleischer's NPI active?
- Yes — Joseph Fleischer's NPI (1386670206) is active in the NPPES registry as of the last update on 2008-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.