Doctor profile · Federal record

Dr. Palaniappan Manickam, M.D., MPH

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Sacramento, CA

  • NPI 1194962803
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3000 Q St Fl 2
Sacramento, CA 958167058
(916) 733-3370
fax (916) 733-3394
Mailing address
3400 Data Dr
Rancho Cordova, CA 956707956

Credentials & registration

NPPES · NUCC
NPI registered
January 2009 — 17 yrs on file
Profile last updated
June 30, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
California #136450 · Michigan #4301092558

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194962803. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
808
Distinct HCPCS
10
Medicare allowed
$98,762
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 87 64 $82
45380 Biopsy of large bowel using a flexible endoscope 86 86 $54
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 78 75 $82
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 76 76 $220
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 73 71 $134
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 73 55 $51
99443 Telephone medical discussion with physician, 21-30 minutes 58 52 $136
99214 Established patient office or other outpatient visit, 30-39 minutes 42 37 $134
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 39 39 $180
99204 New patient office or other outpatient visit, 45-59 minutes 38 38 $176

In context: peer comparison

Among 21 peers in this city , average services per provider: 70. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
652
Patients
241
Total drug cost
$165,748
Drug Type Claims Patients Total cost
Omeprazole Generic 207 71 $3,663
Pantoprazole Sodium Generic 109 29 $1,471
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 68 66 $5,445
Famotidine Generic 59 13 $1,602
Dexlansoprazole Dr (Dexlansoprazole) Brand 39 11 $15,603
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 39 38 $652
Xifaxan (Rifaximin) Brand 32 0 $100,968
Linzess (Linaclotide) Brand 25 0 $26,412
Dicyclomine Hcl Generic 15 0 $487
Cholestyramine (Cholestyramine (With Sugar)) Brand 13 0 $1,582

Frequently asked questions

Auto-generated from federal data
What is Dr. Palaniappan Manickam's medical specialty?
Dr. Palaniappan Manickam practices Gastroenterology Physician in Sacramento, CA.
Where does Dr. Palaniappan Manickam practice?
Dr. Palaniappan Manickam practices at 3000 Q St Fl 2, Sacramento, CA 958167058. Office phone: 9167333370.
What is Dr. Palaniappan Manickam's NPI?
Dr. Palaniappan Manickam's National Provider Identifier (NPI) is 1194962803, issued by NPPES.
Does Dr. Palaniappan Manickam accept Medicare assignment?
Yes. Dr. Palaniappan Manickam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Palaniappan Manickam commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.