Doctor profile · Federal record
Dr. Barbara Gredysa, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Southampton, NY
- NPI 1457678500
- Accepts Medicare
- MIPS 93.4 / 100 · 2023
- 19 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2 Montauk Hwy
Southampton, NY 119684137
(646) 962-4676
fax (646) 962-0599
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- October 27, 2023
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- New York #280046-1
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457678500. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
734
Distinct HCPCS
10
Medicare allowed
$64,270
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 205 | 146 | $149 | |
36415 |
Insertion of needle into vein for collection of blood sample | 186 | 157 | $8 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 93 | 71 | $3 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 52 | 52 | $197 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 44 | 40 | $106 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 40 | 26 | $39 | |
76536 |
Ultrasound scan of head and neck soft tissue | 27 | 27 | $136 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 24 | 23 | $106 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 23 | 23 | $134 | |
95250 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with provider supplied equipment | 14 | 14 | $179 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 61. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$84
Transactions
4
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 2 | $47.67 | |
| Abbott Laboratories | 1 | $22.15 | |
| Tandem Diabetes Care, Inc. | 1 | $14.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
303
Patients
98
Total drug cost
$215,800
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 56 | 27 | $1,508 |
| Ozempic (Semaglutide) | Brand | 52 | 19 | $86,855 |
| Metformin Hcl | Generic | 33 | 19 | $428 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 33 | 22 | $588 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 27 | 0 | $31,027 |
| Jardiance (Empagliflozin) | Brand | 27 | 11 | $33,180 |
| Mounjaro (Tirzepatide) | Brand | 20 | 0 | $22,035 |
| Methimazole | Generic | 16 | 0 | $353 |
| Trulicity (Dulaglutide) | Brand | 15 | 0 | $33,031 |
| Losartan Potassium | Generic | 13 | 0 | $217 |
Frequently asked questions
What is Dr. Barbara Gredysa's medical specialty?
Dr. Barbara Gredysa practices Endocrinology, Diabetes & Metabolism Physician in Southampton, NY.
Where does Dr. Barbara Gredysa practice?
Dr. Barbara Gredysa practices at 2 Montauk Hwy, Southampton, NY 119684137. Office phone: 6469624676.
What is Dr. Barbara Gredysa's NPI?
Dr. Barbara Gredysa's National Provider Identifier (NPI) is 1457678500, issued by NPPES.
Does Dr. Barbara Gredysa accept Medicare assignment?
Yes. Dr. Barbara Gredysa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Barbara Gredysa commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962). Source: CMS Medicare Physician & Other Practitioners file.