Doctor profile · Federal record
Dr. Mathew Lonberg, MD
Hematology (Internal Medicine) Physician (CMS: Hematology/Oncology) · Nyack, NY
- NPI 1235186065
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
255 Fifth Avenue
Nyack, NY 109601824
(845) 362-1750
fax (845) 362-1577
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- July 6, 2010
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RH0000X — NUCC code
- State license (1)
- New York #155671
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235186065. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,247
Distinct HCPCS
5
Medicare allowed
$283,644
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,506 | 553 | $114 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 556 | 215 | $139 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 82 | 82 | $202 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 55 | 55 | $157 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 48 | 48 | $213 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 449. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$1,212
Transactions
53
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 13 | $246.85 | |
| Mirati Therapeutics, Inc. | 6 | $149.71 | |
| PFIZER INC. | 8 | $134.64 | |
| Ipsen Biopharmaceuticals, Inc | 2 | $113.28 | |
| Celgene Corporation | 4 | $82.03 | |
| E.R. Squibb & Sons, L.L.C. | 3 | $77.41 | |
| Daiichi Sankyo Inc. | 4 | $76.18 | |
| ARRAY BIOPHARMA INC | 3 | $52.52 | |
| SHIELD THERAPEUTICS INC | 2 | $48.75 | |
| Eisai Inc. | 2 | $45.91 | |
| AstraZeneca Pharmaceuticals LP | 1 | $32.84 | |
| Exelixis Inc. | 2 | $30.68 | |
| ABBVIE INC. | 1 | $30.24 | |
| Astellas Pharma US Inc | 1 | $26.93 | |
| GlaxoSmithKline, LLC. | 1 | $25.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
721
Patients
106
Total drug cost
$3,262,303
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 161 | 39 | $138,753 |
| Anastrozole | Generic | 71 | 25 | $1,551 |
| Acyclovir | Generic | 61 | 16 | $707 |
| Revlimid (Lenalidomide) | Brand | 49 | 0 | $859,932 |
| Warfarin Sodium | Generic | 48 | 0 | $554 |
| Imbruvica (Ibrutinib) | Brand | 44 | 0 | $690,076 |
| Jakafi (Ruxolitinib Phosphate) | Brand | 44 | 0 | $726,753 |
| Pomalyst (Pomalidomide) | Brand | 40 | 0 | $604,852 |
| Exemestane | Generic | 38 | 0 | $7,908 |
| Allopurinol | Generic | 37 | 13 | $276 |
Frequently asked questions
What is Dr. Mathew Lonberg's medical specialty?
Dr. Mathew Lonberg practices Hematology (Internal Medicine) Physician in Nyack, NY.
Where does Dr. Mathew Lonberg practice?
Dr. Mathew Lonberg practices at 255 Fifth Avenue, Nyack, NY 109601824. Office phone: 8453621750.
What is Dr. Mathew Lonberg's NPI?
Dr. Mathew Lonberg's National Provider Identifier (NPI) is 1235186065, issued by NPPES.
Does Dr. Mathew Lonberg accept Medicare assignment?
Yes. Dr. Mathew Lonberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mathew Lonberg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.