DR. AJAY KUMAR M.D.
NPI 1922141241
Internal Medicine - Nephrology in Columbia, MD

Active since February 15, 2007PECOS EnrolledAccepts Medicare Assignment
5999 HARPERS FARM RD STE W250, COLUMBIA, MD 21044(410) 772-8822(410) 772-9274 Get Directions Write a Review

NPPES record last updated: January 22, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ajay Kumar M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. AJAY KUMAR M.D. (NPI 1922141241) is an individual nephrology provider in Columbia, Maryland, licensed in Maryland (D0065516) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1922141241
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. AJAY KUMARCredential: M.D.
Location Address5999 HARPERS FARM RD STE W250Columbia, MD 21044-3017
Mailing Address1589 Sulphur Spring Rd Ste 109Baltimore, MD 21227-2542 · (410) 536-5400 · Fax (410) 737-2168
Fax(410) 772-9274
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateFebruary 15, 2007
Last NPPES UpdateJanuary 22, 2025
NPPES CertifiedJanuary 22, 2025
NPI 1922141241 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in MD · D0065516
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
5999 HARPERS FARM RD STE W250, Columbia, MD 21044

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Ajay Kumar M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789785460
PECOS Enrollment IDI20070725000185, I20200608002019
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 24

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
224 services175 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
215 services137 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
141 services27 patients
Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153
This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.
136 services95 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
120 services66 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
118 services106 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Medical Center Inc

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210008
Location301 Saint Paul PlaceBaltimore, MD 21202 · Baltimore City County
Emergency services Birthing friendly

Johns Hopkins Howard County Medical Center

Acute Care Hospitals · Columbia, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210048
Location5755 Cedar LaneColumbia, MD 21044 · Howard County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21044 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Nephrology)
5999 HARPERS FARM RD STE W250
COLUMBIA, MD 21044
Nurse Practitioner (Acute Care)
5999 HARPERS FARM RD STE W250
COLUMBIA, MD 21044
Internal Medicine (Nephrology)
5999 HARPERS FARM RD STE W250
COLUMBIA, MD 21044
Internal Medicine (Nephrology)
5999 HARPERS FARM RD STE W250
COLUMBIA, MD 21044
Nurse Practitioner (Family)
5999 HARPERS FARM RD STE W250
COLUMBIA, MD 21044
Internal Medicine (Nephrology)
5999 HARPERS FARM RD STE W250
COLUMBIA, MD 21044
Internal Medicine (Nephrology)
5999 HARPERS FARM RD STE W250
COLUMBIA, MD 21044
Nurse Practitioner (Family)
5999 HARPERS FARM RD STE W250
COLUMBIA, MD 21044

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ajay Kumar's NPI number?

The NPI number for Ajay Kumar is 1922141241. It was assigned to this individual provider in the NPPES registry on February 15, 2007.

Where is Ajay Kumar located?

Ajay Kumar practices at 5999 Harpers Farm Rd Ste W250, Columbia, MD 21044. The listed phone number is (410) 772-8822.

What is Ajay Kumar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Ajay Kumar enrolled in Medicare?

Yes. Ajay Kumar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Ajay Kumar affiliated with any hospitals?

According to CMS data, Ajay Kumar is affiliated with Mercy Medical Center Inc and Johns Hopkins Howard County Medical Center.

When was this NPI record last updated?

The NPPES record for Ajay Kumar was last updated on January 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.