Doctor profile · Federal record

Dr. RAYMOND BASS, M.D.

Nephrology Physician (CMS: NEPHROLOGY) · WHEATON, MD

  • NPI 1689672164
  • Accepts Medicare
  • 53 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3941 FERRARA DR
WHEATON, MD 209064709
(301) 942-5355

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
November 13, 2009
Year of graduation
1973 — 53 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Maryland #D0021340
Medicaid
MD #314731200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689672164. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,301
Distinct HCPCS
10
Medicare allowed
$369,999
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 808 415 $104
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 527 123 $86
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 339 58 $388
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 133 106 $141
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 100 56 $54
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 96 42 $329
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 87 43 $129
90966 Home dialysis services per month (20 years or older) 86 15 $330
99204 New patient office or other outpatient visit, 45-59 minutes 70 70 $186
81000 Manual urinalysis test with examination using microscope, non-automated 55 55 $4

In context: peer comparison

Among 1 peers in this city , average services per provider: 230. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,268
Transactions
56
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AKEBIA THERAPEUTICS INC 9 $177.69
Novartis Pharmaceuticals Corporation 8 $156.75
Bayer Healthcare Pharmaceuticals Inc. 6 $143.77
Amgen Inc. 5 $119.75
Vifor Pharma, Inc. 4 $104.20
AstraZeneca Pharmaceuticals LP 4 $99.61
Otsuka America Pharmaceutical, Inc. 4 $84.17
Boehringer Ingelheim Pharmaceuticals, Inc. 4 $79.23
Aurinia Pharma U.S., Inc. 3 $78.36
Fresenius USA Marketing, Inc. 3 $61.23
Ardelyx, Inc. 2 $53.55
Alexion Pharmaceuticals, Inc. 1 $27.74
Travere Therapeutics, Inc. 1 $23.55
OPKO Pharmaceuticals, LLC 1 $22.62
CALLIDITAS THERAPEUTICS US INC. 1 $18.01

By nature of payment

Food and Beverage
$1,168
Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,564
Patients
491
Total drug cost
$168,953
Drug Type Claims Patients Total cost
Losartan Potassium Generic 221 75 $3,645
Furosemide Generic 211 63 $2,175
Amlodipine Besylate Generic 196 62 $2,505
Allopurinol Generic 175 50 $2,791
Spironolactone Generic 155 53 $2,186
Chlorthalidone Generic 111 33 $3,517
Farxiga (Dapagliflozin Propanediol) Brand 97 34 $128,819
Lisinopril Generic 71 25 $885
Hydralazine Hcl Generic 58 17 $1,663
Metoprolol Succinate Generic 58 22 $1,287

Hospital affiliations

CMS Hospital Compare