Doctor profile · Federal record

Dr. Shankarlingam Sainath, M.D., F.A.C.C.

Cardiovascular Disease Physician (CMS: Internal Medicine) · Internal Medicine Physician · Fountain Valley, CA

  • NPI 1811050081
  • Accepts Medicare
  • 56 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11100 Warner Ave, #268
Fountain Valley, CA 927087512
(714) 540-9911
fax (714) 549-9720

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
March 20, 2012
Year of graduation
1970 — 56 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #A25691
Medicaid
CA #ZZZ71176Z

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811050081. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,229
Distinct HCPCS
10
Medicare allowed
$86,930
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 1,073 806 $9
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 269 77 $16
99214 Established patient office or other outpatient visit, 30-39 minutes 222 69 $123
93970 Ultrasound study of arm or leg veins with compression and maneuvers 169 152 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 162 50 $84
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 147 137 $72
93925 Ultrasound of leg arteries or artery grafts 48 44 $39
93880 Ultrasound of both sides of head and neck blood flow 45 45 $40
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 42 40 $217
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free 21 21 $33

In context: peer comparison

Among 6 peers in Fountain Valley Cardiovascular Disease Physician, average services per provider: 152. This provider delivers 15× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
581
Patients
115
Total drug cost
$65,971
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 59 18 $1,276
Carvedilol Generic 58 16 $1,273
Metoprolol Tartrate Generic 58 18 $715
Eliquis (Apixaban) Brand 52 11 $56,987
Rosuvastatin Calcium Generic 52 15 $841
Warfarin Sodium Generic 47 0 $684
Furosemide Generic 38 12 $331
Losartan Potassium Generic 38 13 $841
Amlodipine Besylate Generic 37 12 $580
Metformin Hcl Generic 32 0 $682

Frequently asked questions

Auto-generated from federal data
What is Dr. Shankarlingam Sainath's medical specialty?
Dr. Shankarlingam Sainath practices Cardiovascular Disease Physician in Fountain Valley, CA.
Where does Dr. Shankarlingam Sainath practice?
Dr. Shankarlingam Sainath practices at 11100 Warner Ave, Fountain Valley, CA 927087512. Office phone: 7145409911.
What is Dr. Shankarlingam Sainath's NPI?
Dr. Shankarlingam Sainath's National Provider Identifier (NPI) is 1811050081, issued by NPPES.
Does Dr. Shankarlingam Sainath accept Medicare assignment?
Yes. Dr. Shankarlingam Sainath accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shankarlingam Sainath commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.