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MIA WALISZEWSKI MD
NPI 1629693718
Obstetrics & Gynecology in Washington, DC

Active since June 15, 2020PECOS EnrolledAccepts Medicare Assignment
2121 L ST NW STE 700, WASHINGTON, DC 20037(202) 331-9293(410) 584-1739 Get Directions Write a Review

NPPES record last updated: July 21, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mia Waliszewski Md NPPES

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

MIA WALISZEWSKI MD (NPI 1629693718) is an individual obstetrics & gynecology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD60004299) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Charleston, and is a graduate of University Of Virginia School Of Medicine (2020).

NPPES Registry Identity

NPI1629693718
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMIA WALISZEWSKICredential: MD
Location Address2121 L ST NW STE 700Washington, DC 20037-1524
Mailing Address5801 Postal Rd Unit 81310Cleveland, OH 44181-2112 · (301) 340-8339
Phone(202) 331-9293
Fax(410) 584-1739
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2020
Enumeration DateJune 15, 2020
Last NPPES UpdateJuly 21, 2025
NPPES CertifiedJuly 21, 2025
✔ NPI 1629693718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in DC · MD60004299
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedSurgeryTaxonomy 208600000X · License LL84448 (SC)
2121 L ST NW STE 700, Washington, DC 20037
Open in Google Maps ↗

Secondary Practice Location 1

Location 1169 Ashley Ave., Room 202 Main Hospital MSC333Charleston, SC 29425 · Phone (843) 792-3072

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

Mia Waliszewski Md 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 ID3173942125
PECOS Enrollment IDI20250826000824
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20037 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Mia Waliszewski's NPI number?

The NPI number for Mia Waliszewski is 1629693718. It was assigned to this individual provider in the NPPES registry on June 15, 2020.

Where is Mia Waliszewski located?

Mia Waliszewski practices at 2121 L St NW Ste 700, Washington, DC 20037. The listed phone number is (202) 331-9293.

What is Mia Waliszewski's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mia Waliszewski enrolled in Medicare?

Yes. Mia Waliszewski 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.

When was this NPI record last updated?

The NPPES record for Mia Waliszewski was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.