DR. MARY A PIEPRZAK M.D.
NPI 1326046202
Internal Medicine - Nephrology in Columbia, MD

Q: What is Mary Pieprzak's NPI number?

The NPI number for Mary Pieprzak is 1326046202. It was assigned to this individual provider in the NPPES registry on July 13, 2005.

Q: What is Mary Pieprzak's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mary Pieprzak was last updated on January 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since July 13, 2005PECOS 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: July 26, 2026.

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About Dr. Mary A Pieprzak M.d. NPPES

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

DR. MARY A PIEPRZAK M.D. (NPI 1326046202) is an individual nephrology provider in Columbia, Maryland, licensed in Maryland (D50616) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of State University Of New York At Buffalo School Of Medicine (1989).

NPPES Registry Identity

NPI1326046202

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameDR. MARY A PIEPRZAKCredential: 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

Phone(410) 772-8822

Fax(410) 772-9274

Sole ProprietorNo

Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1989

Enumeration DateJuly 13, 2005

Last NPPES UpdateJanuary 22, 2025

NPPES CertifiedJanuary 22, 2025

✔ NPI 1326046202 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 · D50616

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

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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. Mary A Pieprzak 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 ID1254483688

PECOS Enrollment IDI20100518000047, I20200609000087

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 10

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.

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.

376 services43 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.

302 services152 patients

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.

287 services244 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.

204 services97 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

72 services66 patients

Dialysis procedure including 1 evaluation 90945

Dialysis is a treatment that filters and purifies the blood when your kidneys can't do their job. The procedure involves circulating your blood through a machine that removes waste products. An evaluation is done beforehand to assess your health and determine the best approach for your treatment.

61 services20 patients

Hospital Affiliations CMS Care Compare 3

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 Hospital, The

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210009

Location600 North Wolfe StreetBaltimore, MD 21287 · 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

2 suppliers11 claims11 services$12.66 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. PING-HSIN CHEN M.D.

Internal Medicine (Nephrology)