Doctor profile · Federal record

Dr. Nagarathna Manjappa, MD

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Napa, CA

  • NPI 1710093349
  • Accepts Medicare
  • MIPS 73.3 / 100 · 2023
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3230 Beard RD, Suite 1
Napa, CA 945583673
(707) 253-7005

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 15, 2016
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A118723

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710093349. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,366
Distinct HCPCS
10
Medicare allowed
$583,735
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 937 586 $139
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 935 221 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 388 285 $184
90962 Dialysis services, 1 physician visit per month (20 years or older) 258 57 $217
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 243 61 $325
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 120 40 $395
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 117 75 $83
99204 New patient office or other outpatient visit, 45-59 minutes 98 98 $180
90966 Home dialysis services per month (20 years or older) 91 15 $296
99213 Established patient office or other outpatient visit, 20-29 minutes 55 55 $96

In context: peer comparison

Among 4 peers in Napa Nephrology Physician, average services per provider: 157. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$683
Transactions
26
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Amgen INC. 7 $253.29
Novartis Pharmaceuticals Corporation 4 $113.62
AstraZeneca Pharmaceuticals Lp 2 $107.82
Lilly USA, LLC 3 $71.18
Otsuka America Pharmaceutical, INC. 2 $45.39
Boehringer Ingelheim Pharmaceuticals, INC. 2 $41.99
Ardelyx, INC. 1 $23.63
Opko Pharmaceuticals, LLC 1 $13.30
Travere Therapeutics, INC. 4 $12.32

By nature of payment

Food and Beverage
$657
Education
$26

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,418
Patients
437
Total drug cost
$389,373
Drug Type Claims Patients Total cost
Furosemide Generic 180 60 $1,534
Farxiga (Dapagliflozin Propanediol) Brand 159 46 $179,842
Amlodipine Besylate Generic 128 51 $2,254
Nifedipine ER (Nifedipine) Brand 116 35 $5,775
Lisinopril Generic 102 31 $1,460
Veltassa (Patiromer Calcium Sorbitex) Brand 88 28 $148,158
Losartan Potassium Generic 87 29 $1,866
Hydralazine Hcl Generic 85 30 $1,404
Calcium Acetate Generic 84 38 $12,336
Calcitriol Generic 83 32 $1,999

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nagarathna Manjappa's medical specialty?
Dr. Nagarathna Manjappa practices Nephrology Physician in Napa, CA.
Where does Dr. Nagarathna Manjappa practice?
Dr. Nagarathna Manjappa practices at 3230 Beard RD, Napa, CA 945583673. Office phone: 7072537005.
What is Dr. Nagarathna Manjappa's NPI?
Dr. Nagarathna Manjappa's National Provider Identifier (NPI) is 1710093349, issued by NPPES.
Does Dr. Nagarathna Manjappa accept Medicare assignment?
Yes. Dr. Nagarathna Manjappa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nagarathna Manjappa commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.