Doctor profile · Federal record
Dr. Jennifer Nayor, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Boston, MA
- NPI 1790912731
- Accepts Medicare
- 17 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
75 Francis St
Boston, MA 021156110
(617) 525-7743
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- July 2, 2015
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #250948
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790912731. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
602
Distinct HCPCS
8
Medicare allowed
$85,485
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 118 | 116 | $119 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 112 | 90 | $99 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 99 | 76 | $139 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 93 | 92 | $261 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 80 | 76 | $110 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $182 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 39 | 30 | $83 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 | $138 |
In context: peer comparison
Among 78 peers in Boston Gastroenterology Physician, average services per provider: 56. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$752
Transactions
26
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 6 | $164.98 | |
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $137.91 | |
| Janssen Biotech, INC. | 4 | $100.44 | |
| Genzyme Corporation | 2 | $85.29 | |
| Phathom Pharmaceuticals, INC. | 4 | $72.80 | |
| Boston Scientific Corporation | 1 | $72.15 | |
| Ironwood Pharmaceuticals, INC | 2 | $53.04 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $24.24 | |
| Madrigal Pharmaceuticals | 1 | $23.12 | |
| Celltrion USA INC. | 1 | $18.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
714
Patients
215
Total drug cost
$455,202
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 167 | 58 | $2,929 |
| Pantoprazole Sodium | Generic | 97 | 37 | $2,251 |
| Famotidine | Generic | 90 | 33 | $1,568 |
| Dicyclomine Hcl | Generic | 45 | 26 | $1,369 |
| Linzess (Linaclotide) | Brand | 40 | 11 | $51,448 |
| Colestipol Hcl | Generic | 36 | 0 | $5,489 |
| Humira(Cf) Pen (Adalimumab) | Brand | 36 | 0 | $369,036 |
| Budesonide Ec (Budesonide) | Brand | 34 | 11 | $6,851 |
| Prednisone | Generic | 32 | 0 | $252 |
| Esomeprazole Magnesium | Generic | 31 | 0 | $1,758 |
Hospital affiliations
Frequently asked questions
What is Dr. Jennifer Nayor's medical specialty?
Dr. Jennifer Nayor practices Gastroenterology Physician in Boston, MA.
Where does Dr. Jennifer Nayor practice?
Dr. Jennifer Nayor practices at 75 Francis St, Boston, MA 021156110. Office phone: 6175257743.
What is Dr. Jennifer Nayor's NPI?
Dr. Jennifer Nayor's National Provider Identifier (NPI) is 1790912731, issued by NPPES.
Does Dr. Jennifer Nayor accept Medicare assignment?
Yes. Dr. Jennifer Nayor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Nayor commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.