Doctor profile · Federal record

Dr. Sreedhar Mandayam, M.D.

Nephrology Physician (CMS: Nephrology) · Houston, TX

  • NPI 1225051048
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1515 Holcombe Blvd
Houston, TX 77030
(713) 792-6161
Additional location
1504 Taub Loop
Houston, TX 770301608
(713) 873-2000
Mailing address
Po Box 4439
Houston, TX 772104439

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 28, 2018
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Texas #N3861
Medicaid (2)
KS #200404110A · TX #206381010

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225051048. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
788
Distinct HCPCS
9
Medicare allowed
$107,435
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 331 122 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 117 110 $176
99291 Critical care, first 30-74 minutes 117 45 $217
90935 Hemodialysis procedure with physician evaluation 73 34 $72
99214 Established patient office or other outpatient visit, 30-39 minutes 53 44 $98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 37 31 $80
99205 New patient office or other outpatient visit, 60-74 minutes 28 28 $184
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 13 12 $65

In context: peer comparison

Among 76 peers in Houston Nephrology Physician, average services per provider: 140. This provider delivers 5.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$117,907
Transactions
191
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Calliditas Therapeutics US INC. 97 $74,332.61
Otsuka America Pharmaceutical, INC. 15 $15,639.70
Novartis Pharmaceuticals Corporation 22 $12,435.23
Kyowa Kirin, INC. 10 $8,629.13
Bayer Healthcare Pharmaceuticals INC. 2 $2,300.00
Merck Sharp & Dohme LLC 9 $1,395.33
Genzyme Corporation 13 $1,123.17
Amgen INC. 9 $763.86
Travere Therapeutics, INC. 4 $257.66
Otsuka Pharmaceutical Development & Commercialization, INC. 3 $142.16
Pharming Healthcare, INC. 1 $127.17
Ardelyx, INC. 1 $124.40
Fresenius USA Marketing, INC. 3 $122.12
Mallinckrodt Hospital Products INC. 1 $121.86
GlaxoSmithKline, LLC. 1 $111.85

By nature of payment

Honoraria
$52,850
Travel and Lodging
$22,678
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$17,631
Consulting Fee
$16,850
Food and Beverage
$7,688
Education
$210

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
124
Patients
17
Total drug cost
$2,800
Drug Type Claims Patients Total cost
Allopurinol Generic 46 17 $609
Losartan Potassium Generic 25 0 $483
Carvedilol Generic 16 0 $161
Prednisone Generic 15 0 $94
Calcium Acetate Generic 11 0 $1,116
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 11 0 $337

Frequently asked questions

Auto-generated from federal data
What is Dr. Sreedhar Mandayam's medical specialty?
Dr. Sreedhar Mandayam practices Nephrology Physician in Houston, TX.
Where does Dr. Sreedhar Mandayam practice?
Dr. Sreedhar Mandayam practices at 1515 Holcombe Blvd, Houston, TX 77030. Office phone: 7137926161.
What is Dr. Sreedhar Mandayam's NPI?
Dr. Sreedhar Mandayam's National Provider Identifier (NPI) is 1225051048, issued by NPPES.
Does Dr. Sreedhar Mandayam accept Medicare assignment?
Yes. Dr. Sreedhar Mandayam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sreedhar Mandayam commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.