Doctor profile · Federal record

Dr. Michael Blam, MD

Gastroenterology Physician (CMS: Gastroenterology) · Long Beach, CA

  • NPI 1801877733
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2925 Palo Verde Ave
Long Beach, CA 908151552
(562) 429-2473

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
January 29, 2013
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Connecticut #039355
Medicaid
CT #001393553

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801877733. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,295
Distinct HCPCS
9
Medicare allowed
$145,192
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 753 263 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 278 253 $176
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 103 102 $119
45378 Diagnostic exam of large bowel using a flexible endoscope 38 37 $168
99203 New patient office or other outpatient visit, 30-44 minutes 38 38 $117
45380 Biopsy of large bowel using a flexible endoscope 27 27 $175
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 23 23 $116
43246 Insertion of stomach tube using a flexible endoscope 18 18 $195
99213 Established patient office or other outpatient visit, 20-29 minutes 17 16 $95

In context: peer comparison

Among 3 peers in Long Beach Gastroenterology Physician, average services per provider: 82. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 3 $52.27
Shield Therapeutics INC 1 $31.30
Ardelyx, INC. 1 $15.92

By nature of payment

Food and Beverage
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
768
Patients
499
Total drug cost
$79,133
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 181 177 $2,916
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 124 123 $8,828
Pantoprazole Sodium Generic 106 37 $1,112
Dicyclomine Hcl Generic 85 45 $1,761
Linzess (Linaclotide) Brand 75 33 $41,729
Sucralfate Generic 31 11 $2,799
Famotidine Generic 26 0 $709
Suprep (Sodium, Potassium,Mag Sulfates) Brand 22 21 $2,186
Ursodiol Generic 21 0 $1,512
Mesalamine Generic 20 0 $12,753

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Blam's medical specialty?
Dr. Michael Blam practices Gastroenterology Physician in Long Beach, CA.
Where does Dr. Michael Blam practice?
Dr. Michael Blam practices at 2925 Palo Verde Ave, Long Beach, CA 908151552. Office phone: 5624292473.
What is Dr. Michael Blam's NPI?
Dr. Michael Blam's National Provider Identifier (NPI) is 1801877733, issued by NPPES.
Does Dr. Michael Blam accept Medicare assignment?
Dr. Michael Blam does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Michael Blam commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.