Doctor profile · Federal record
Dr. Glenn Littenberg, M.D.
Gastroenterology Physician · Hepatology Physician · Pasadena, CA
- NPI 1033184973
- MIPS 82.5 / 100 · 2023
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
630 S Raymond Ave, Suite 240
Pasadena, CA 911053278
(626) 449-9920
fax (626) 578-7366
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- April 18, 2008
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #G27849
- Medicaid
- CA #00G278490
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033184973. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,671
Distinct HCPCS
10
Medicare allowed
$150,824
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 640 | 59 | $51 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 364 | 59 | $67 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 112 | 93 | $138 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 91 | 91 | $264 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 91 | 78 | $98 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 60 | 60 | $189 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 54 | 54 | $6 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 35 | 35 | $122 | |
91200 |
Measurement of liver stiffness | 34 | 34 | $34 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 33 | 32 | $194 |
In context: peer comparison
Among 5 peers in Pasadena Gastroenterology Physician, average services per provider: 83. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$19,391
Transactions
148
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 64 | $16,616.76 | |
| Janssen Biotech, INC. | 19 | $533.74 | |
| Phathom Pharmaceuticals, INC. | 15 | $485.42 | |
| Celltrion USA INC. | 10 | $221.81 | |
| Pfizer INC. | 7 | $206.09 | |
| Aimmune Therapeutics, INC. | 3 | $186.36 | |
| Celgene Corporation | 10 | $156.93 | |
| Lilly USA, LLC | 2 | $150.96 | |
| Ferring Pharmaceuticals INC. | 1 | $125.80 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $117.83 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 6 | $112.78 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $96.07 | |
| Boston Scientific Corporation | 1 | $95.23 | |
| Gilead Sciences, INC. | 4 | $85.10 | |
| Genzyme Corporation | 2 | $61.92 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
731
Patients
208
Total drug cost
$478,277
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 210 | 78 | $4,603 |
| Pantoprazole Sodium | Generic | 135 | 47 | $3,397 |
| Famotidine | Generic | 57 | 20 | $2,134 |
| Mesalamine | Generic | 46 | 11 | $46,129 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 40 | 40 | $797 |
| Dicyclomine Hcl | Generic | 37 | 12 | $1,802 |
| Creon (Lipase/Protease/Amylase) | Brand | 31 | 0 | $142,177 |
| Ondansetron Hcl | Generic | 30 | 0 | $1,038 |
| Linzess (Linaclotide) | Brand | 29 | 0 | $21,886 |
| Humira(Cf) Pen (Adalimumab) | Brand | 26 | 0 | $237,021 |
Frequently asked questions
What is Dr. Glenn Littenberg's medical specialty?
Dr. Glenn Littenberg practices Gastroenterology Physician in Pasadena, CA.
Where does Dr. Glenn Littenberg practice?
Dr. Glenn Littenberg practices at 630 S Raymond Ave, Pasadena, CA 911053278. Office phone: 6264499920.
What is Dr. Glenn Littenberg's NPI?
Dr. Glenn Littenberg's National Provider Identifier (NPI) is 1033184973, issued by NPPES.
What procedures does Dr. Glenn Littenberg commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439); Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.