Doctor profile · Federal record
Dr. Howard Mitz, D.O.
Gastroenterology Physician (CMS: Gastroenterology) · Littleton, NH
- NPI 1558365155
- Accepts Medicare
- 41 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
220 Cottage St
Littleton, NH 035614101
(603) 444-0272
fax (603) 444-0274
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- February 23, 2021
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Hampshire #9856
- Medicaid
- NH #80004269
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558365155. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
7,178
Distinct HCPCS
10
Medicare allowed
$175,600
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J2704 |
Injection, propofol, 10 mg | 5,977 | 205 | $0 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 199 | 146 | $90 | |
36415 |
Insertion of needle into vein for collection of blood sample | 172 | 131 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 132 | 120 | $129 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 110 | 107 | $461 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 80 | 76 | $341 | |
87077 |
Bacterial culture for aerobic isolates | 64 | 60 | $8 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 60 | 60 | $114 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 60 | 60 | $169 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 56 | 53 | $321 |
In context: peer comparison
Among 1 peers in Littleton Gastroenterology Physician, average services per provider: 377. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$242
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Olympus America INC. | 1 | $242.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
437
Patients
91
Total drug cost
$60,303
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 175 | 46 | $2,612 |
| Omeprazole | Generic | 113 | 32 | $1,822 |
| Famotidine | Generic | 38 | 13 | $691 |
| Balsalazide Disodium | Generic | 26 | 0 | $4,635 |
| Mesalamine | Generic | 24 | 0 | $18,097 |
| Esomeprazole Magnesium | Generic | 21 | 0 | $1,440 |
| Linzess (Linaclotide) | Brand | 15 | 0 | $11,789 |
| Sucralfate | Generic | 13 | 0 | $624 |
| Pentasa (Mesalamine) | Brand | 12 | 0 | $18,594 |
Frequently asked questions
What is Dr. Howard Mitz's medical specialty?
Dr. Howard Mitz practices Gastroenterology Physician in Littleton, NH.
Where does Dr. Howard Mitz practice?
Dr. Howard Mitz practices at 220 Cottage St, Littleton, NH 035614101. Office phone: 6034440272.
What is Dr. Howard Mitz's NPI?
Dr. Howard Mitz's National Provider Identifier (NPI) is 1558365155, issued by NPPES.
Does Dr. Howard Mitz accept Medicare assignment?
Yes. Dr. Howard Mitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Howard Mitz commonly perform?
Top Medicare-reported procedures in 2023: Injection, propofol, 10 mg (HCPCS J2704); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.