Doctor profile · Federal record

Dr. Ajay Kumar, M.D.

Nephrology Physician (CMS: Nephrology) · Columbia, MD

  • NPI 1922141241
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5999 Harpers Farm RD Ste W250
Columbia, MD 210443017
(410) 772-8822
fax (410) 772-9274
Mailing address
1589 Sulphur Spring RD Ste 109
Baltimore, MD 212272542

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
January 22, 2025
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Maryland #D0065516

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922141241. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,880
Distinct HCPCS
10
Medicare allowed
$250,110
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 300 155 $84
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 208 116 $12
99214 Established patient office or other outpatient visit, 30-39 minutes 173 136 $102
90935 Hemodialysis procedure with physician evaluation 165 72 $75
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 160 31 $385
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 139 121 $13
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 133 66 $126
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 101 92 $253
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 82 78 $184
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 61 57 $137

In context: peer comparison

Among 3 peers in this city , average services per provider: 95. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$46
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $29.66
Novartis Pharmaceuticals Corporation 1 $13.35
Travere Therapeutics, Inc. 1 $3.08

By nature of payment

Food and Beverage
$43
Education
$3

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
166
Patients
0
Total drug cost
$36,779
Drug Type Claims Patients Total cost
Lokelma (Sodium Zirconium Cyclosilicate) Brand 29 0 $23,515
Amlodipine Besylate Generic 21 0 $118
Doxazosin Mesylate Generic 20 0 $250
Farxiga (Dapagliflozin Propanediol) Brand 17 0 $11,453
Nifedipine Er (Nifedipine) Brand 17 0 $683
Hydrochlorothiazide Generic 13 0 $65
Lisinopril Generic 13 0 $163
Methylprednisolone Generic 13 0 $91
Losartan Potassium Generic 12 0 $183
Hydralazine Hcl Generic 11 0 $259

Frequently asked questions

Auto-generated from federal data
What is Dr. Ajay Kumar's medical specialty?
Dr. Ajay Kumar practices Nephrology Physician in Columbia, MD.
Where does Dr. Ajay Kumar practice?
Dr. Ajay Kumar practices at 5999 Harpers Farm RD Ste W250, Columbia, MD 210443017. Office phone: 4107728822.
What is Dr. Ajay Kumar's NPI?
Dr. Ajay Kumar's National Provider Identifier (NPI) is 1922141241, issued by NPPES.
Does Dr. Ajay Kumar accept Medicare assignment?
Yes. Dr. Ajay Kumar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ajay Kumar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Use of a drug to induce depression of consciousness by physician performing a procedure (HCPCS 99153); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.