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ZACHARY KELLER MD
NPI 1962865170
Obstetrics & Gynecology in Saint Louis, MO

Active since April 04, 2016PECOS EnrolledAccepts Medicare Assignment
621 S NEW BALLAS RD STE 499A, SAINT LOUIS, MO 63141(314) 251-7477 Get Directions Write a Review

NPPES record last updated: August 20, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Zachary Keller Md NPPES

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

ZACHARY KELLER MD (NPI 1962865170) is an individual obstetrics & gynecology provider in Saint Louis, Missouri, licensed in Missouri (2020023080) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Saint Louis University School Of Medicine (2016).

NPPES Registry Identity

NPI1962865170
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameZACHARY KELLERCredential: MD
Location Address621 S NEW BALLAS RD STE 499ASaint Louis, MO 63141-8260
Mailing Address621 S New Ballas Rd Ste 499aSaint Louis, MO 63141-8260 · (314) 251-7477
Phone(314) 251-7477
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 2016
Enumeration DateApril 4, 2016
Last NPPES UpdateAugust 20, 2020
NPPES CertifiedAugust 20, 2020
✔ NPI 1962865170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MO · 2020023080
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.
621 S NEW BALLAS RD STE 499A, Saint Louis, MO 63141
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, UnitedHealthcare.Insurance ›

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

Zachary Keller 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 ID840582706
PECOS Enrollment IDI20200826002522
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.

Hospital Affiliations CMS Care Compare 3

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Mercy Hospital South

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260077
Location10010 Kennerly RoadSaint Louis, MO 63128 · St. Louis County
Emergency services

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260179
Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
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.

Other Providers at the Same Location NPPES 3

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

DR. RACHEL YOON KMETZ M.D.
Obstetrics & Gynecology (Gynecology)
621 S NEW BALLAS RD STE 499A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-7650
IOANA MARCU
Obstetrics & Gynecology
621 S NEW BALLAS RD STE 499A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-7650
JOE SHI M.D.
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
621 S NEW BALLAS RD STE 499A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-7650

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 Zachary Keller's NPI number?

The NPI number for Zachary Keller is 1962865170. It was assigned to this individual provider in the NPPES registry on April 4, 2016.

Where is Zachary Keller located?

Zachary Keller practices at 621 S New Ballas Rd Ste 499A, Saint Louis, MO 63141. The listed phone number is (314) 251-7477.

What is Zachary Keller's specialty?

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

Is Zachary Keller enrolled in Medicare?

Yes. Zachary Keller 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.

What insurance does Zachary Keller accept?

Health plans from Medica and UnitedHealthcare list Zachary Keller as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Zachary Keller affiliated with any hospitals?

According to CMS data, Zachary Keller is affiliated with Mercy Hospital St Louis, Mercy Hospital South and St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Zachary Keller was last updated on August 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.