Doctor profile · Federal record
Dr. Zachary Fleischner, MD
Infectious Disease Physician (CMS: Internal Medicine) · Valhalla, NY
- NPI 1104204189
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Woods RD
Valhalla, NY 105951530
(914) 493-6616
fax (914) 493-5827 - Mailing address
-
19 Bradhurst Ave Ste 3100N
Hawthorne, NY 105322140
Credentials & registration
- NPI registered
- May 2015 — 11 yrs on file
- Profile last updated
- July 15, 2020
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- New York #305966
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104204189. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
99
Distinct HCPCS
4
Medicare allowed
$10,501
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 47 | 33 | $77 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 24 | 13 | $116 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 16 | $127 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 12 | 12 | $170 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 69. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$108
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 1 | $90.04 | |
| ABBVIE INC. | 1 | $17.46 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Zachary Fleischner's medical specialty?
Dr. Zachary Fleischner practices Infectious Disease Physician in Valhalla, NY.
Where does Dr. Zachary Fleischner practice?
Dr. Zachary Fleischner practices at 100 Woods RD, Valhalla, NY 105951530. Office phone: 9144936616.
What is Dr. Zachary Fleischner's NPI?
Dr. Zachary Fleischner's National Provider Identifier (NPI) is 1104204189, issued by NPPES.
Does Dr. Zachary Fleischner accept Medicare assignment?
Yes. Dr. Zachary Fleischner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Fleischner commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.