Doctor profile · Federal record
Dr. Karissa Weidman, M.D.
Internal Medicine Physician (CMS: Pulmonary Disease) · Stony Brook, NY
- NPI 1598113078
- Accepts Medicare
- MIPS 91.4 / 100 · 2023
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
101 Nicolls RD Ofc T17-040
Stony Brook, NY 117940001
(631) 444-3869 - Additional location
-
800 Washington St
Boston, MA 021111552
(617) 636-5000 - Additional location
-
525 E 68Th St
New York, NY 100654870
(646) 962-2333
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Profile last updated
- September 11, 2025
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #267452
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598113078. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,340
Distinct HCPCS
10
Medicare allowed
$157,514
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 277 | 133 | $245 | |
94729 |
Test to examine how well the lungs exchange gases | 160 | 158 | $67 | |
94727 |
Test to determine lung volumes using gas dilution or washout | 159 | 157 | $52 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 117 | 92 | $136 | |
94010 |
Test to measure expiratory airflow and volume | 92 | 91 | $32 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 82 | 82 | $45 | |
94010 |
Test to measure expiratory airflow and volume | 78 | 77 | $9 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 63 | 62 | $199 | |
94618 |
Test for exercise-induced lung stress | 55 | 55 | $39 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 54 | 53 | $150 |
In context: peer comparison
Among 49 peers in Stony Brook Internal Medicine Physician, average services per provider: 119. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$88
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 2 | $55.63 | |
| GlaxoSmithKline, LLC. | 1 | $32.58 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
45
Patients
0
Total drug cost
$12,180
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 33 | 0 | $1,242 |
| Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) | Brand | 12 | 0 | $10,938 |
Frequently asked questions
What is Dr. Karissa Weidman's medical specialty?
Dr. Karissa Weidman practices Internal Medicine Physician in Stony Brook, NY.
Where does Dr. Karissa Weidman practice?
Dr. Karissa Weidman practices at 101 Nicolls RD Ofc T17-040, Stony Brook, NY 117940001. Office phone: 6314443869.
What is Dr. Karissa Weidman's NPI?
Dr. Karissa Weidman's National Provider Identifier (NPI) is 1598113078, issued by NPPES.
Does Dr. Karissa Weidman accept Medicare assignment?
Yes. Dr. Karissa Weidman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karissa Weidman commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Test to examine how well the lungs exchange gases (HCPCS 94729); Test to determine lung volumes using gas dilution or washout (HCPCS 94727). Source: CMS Medicare Physician & Other Practitioners file.