Doctor profile · Federal record
Dr. James Singer, M.D.
Gastroenterology Physician · Glendale, AZ
- NPI 1962478818
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5823 W Eugie Ave, Ste A
Glendale, AZ 853041276
(602) 843-1265
fax (602) 843-1297 - Mailing address
-
3020 E Camelback RD, Suite 301
Phoenix, AZ 850145095
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- February 17, 2017
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Arizona #12635
- Medicaid (2)
- AZ #229999 01 · AZ #229999-05
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962478818. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
439
Distinct HCPCS
8
Medicare allowed
$56,059
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 161 | 109 | $121 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 86 | 75 | $87 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 49 | 49 | $161 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 45 | 45 | $141 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 33 | 33 | $106 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 23 | 23 | $243 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 22 | 22 | $105 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 20 | 20 | $171 |
In context: peer comparison
Among 6 peers in Glendale Gastroenterology Physician, average services per provider: 71. This provider delivers 6.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
561
Patients
211
Total drug cost
$86,603
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 297 | 103 | $4,587 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 71 | 71 | $5,746 |
| Pantoprazole Sodium | Generic | 57 | 19 | $759 |
| Famotidine | Generic | 20 | 0 | $181 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 18 | 18 | $272 |
| Spironolactone | Generic | 16 | 0 | $261 |
| Xifaxan (Rifaximin) | Brand | 15 | 0 | $50,430 |
| Balsalazide Disodium | Generic | 14 | 0 | $4,963 |
| Lubiprostone | Generic | 14 | 0 | $6,134 |
| Mesalamine | Generic | 14 | 0 | $12,476 |
Frequently asked questions
What is Dr. James Singer's medical specialty?
Dr. James Singer practices Gastroenterology Physician in Glendale, AZ.
Where does Dr. James Singer practice?
Dr. James Singer practices at 5823 W Eugie Ave, Glendale, AZ 853041276. Office phone: 6028431265.
What is Dr. James Singer's NPI?
Dr. James Singer's National Provider Identifier (NPI) is 1962478818, issued by NPPES.
What procedures does Dr. James Singer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.