Doctor profile · Federal record
Dr. Alexander Harmatz, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Providence, RI
- NPI 1730142696
- Accepts Medicare
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
825 Chalkstone Ave
Providence, RI 029084728
(401) 456-6510 - Additional location
-
200 High Service Ave
N Providence, RI 029045113 - Additional location
-
50 Maude St
Providence, RI 029084325 - Mailing address
-
10 Presidential Blvd, Suite 124
Bala Cynwyd, PA 190041107
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- April 6, 2026
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Rhode Island #MD16455
- Medicaid
- RI #1235945650
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1730142696. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
611
Distinct HCPCS
10
Medicare allowed
$79,316
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 121 | 51 | $120 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 96 | 86 | $85 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 65 | 46 | $85 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 59 | 52 | $174 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 49 | 48 | $126 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 47 | 23 | $80 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 34 | 32 | $179 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 29 | 28 | $230 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 21 | 21 | $130 | |
43262 |
Incision of pancreatic outlet using a flexible endoscope | 19 | 18 | $85 |
In context: peer comparison
Among 17 peers in Providence Gastroenterology Physician, average services per provider: 378. This provider delivers 1.6× the peer median.Open Payments
Industry payments received
All-time total
$608
Transactions
25
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, INC. | 4 | $104.53 | |
| Lilly USA, LLC | 5 | $104.24 | |
| Celgene Corporation | 3 | $87.17 | |
| Qol Medical, LLC | 2 | $70.75 | |
| Janssen Biotech, INC. | 2 | $51.41 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $45.52 | |
| Regeneron Healthcare Solutions, INC. | 2 | $44.51 | |
| Abbvie INC. | 1 | $32.40 | |
| Aimmune Therapeutics, INC. | 1 | $19.34 | |
| Pfizer INC. | 1 | $19.17 | |
| Ironwood Pharmaceuticals, INC | 1 | $15.13 | |
| Phathom Pharmaceuticals, INC. | 1 | $14.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
345
Patients
75
Total drug cost
$12,702
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 140 | 49 | $2,108 |
| Pantoprazole Sodium | Generic | 63 | 15 | $955 |
| Dicyclomine Hcl | Generic | 42 | 11 | $1,344 |
| Sucralfate | Generic | 26 | 0 | $1,651 |
| Nadolol | Generic | 14 | 0 | $824 |
| Entecavir | Generic | 13 | 0 | $2,143 |
| Ursodiol | Generic | 13 | 0 | $1,897 |
| Sulfasalazine | Generic | 12 | 0 | $224 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 11 | 0 | $1,378 |
| Promethazine Hcl | Generic | 11 | 0 | $179 |
Hospital affiliations
Frequently asked questions
What is Dr. Alexander Harmatz's medical specialty?
Dr. Alexander Harmatz practices Gastroenterology Physician in Providence, RI.
Where does Dr. Alexander Harmatz practice?
Dr. Alexander Harmatz practices at 825 Chalkstone Ave, Providence, RI 029084728. Office phone: 4014566510.
What is Dr. Alexander Harmatz's NPI?
Dr. Alexander Harmatz's National Provider Identifier (NPI) is 1730142696, issued by NPPES.
Does Dr. Alexander Harmatz accept Medicare assignment?
Yes. Dr. Alexander Harmatz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Harmatz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.