Doctor profile · Federal record
Dr. Nathan Weltman, MD PHD
Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Student in an Organized Health Care Education/Training Program · Anesthesiology Physician · Boston, MA
- NPI 1528453255
- Accepts Medicare
- 11 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
75 Francis St
Boston, MA 02115
(617) 732-5500 - Additional location
-
1800 Orleans St Rm 6220
Baltimore, MD 212870010
(410) 955-7615
fax (410) 955-9149
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- July 6, 2020
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (3)
- Florida #ME144300 · South Dakota #0220 · Massachusetts #278207
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528453255. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
433
Distinct HCPCS
10
Medicare allowed
$46,025
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 69 | 69 | $45 | |
93320 |
Ultrasound of heart blood flow, valves and chambers | 42 | 42 | $17 | |
93312 |
Ultrasound of heart with probe in esophagus, with report | 41 | 41 | $104 | |
93325 |
Ultrasound of heart with color-depicted blood flow, rate and valve function | 37 | 37 | $3 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 29 | 28 | $87 | |
76937 |
Ultrasonic guidance for blood vessel access | 25 | 24 | $14 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 23 | 23 | $84 | |
64999 |
Other procedure on nervous system | 21 | 11 | $51 | |
00567 |
Anesthesia for heart artery bypass grafting on heart-lung machine | 16 | 16 | $471 | |
00732 |
Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope | 16 | 16 | $132 |
In context: peer comparison
Among 267 peers in Boston Anesthesiology Physician, average services per provider: 32. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$155
Transactions
6
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 4 | $90.05 | |
| Becton, Dickinson and Company | 1 | $37.65 | |
| Regeneron Healthcare Solutions, INC. | 1 | $27.07 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Nathan Weltman's medical specialty?
Dr. Nathan Weltman practices Anesthesiology Physician in Boston, MA.
Where does Dr. Nathan Weltman practice?
Dr. Nathan Weltman practices at 75 Francis St, Boston, MA 02115. Office phone: 6177325500.
What is Dr. Nathan Weltman's NPI?
Dr. Nathan Weltman's National Provider Identifier (NPI) is 1528453255, issued by NPPES.
Does Dr. Nathan Weltman accept Medicare assignment?
Yes. Dr. Nathan Weltman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Weltman commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Ultrasound of heart blood flow, valves and chambers (HCPCS 93320); Ultrasound of heart with probe in esophagus, with report (HCPCS 93312). Source: CMS Medicare Physician & Other Practitioners file.