What is Jennifer Demertzis's NPI number?

Jennifer Demertzis's National Provider Identifier (NPI) is 1245326966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jennifer Demertzis's specialty?

Jennifer Demertzis is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).

Where is Jennifer Demertzis located?

Jennifer Demertzis's practice location on file with NPPES is 232 S Woods Mill Rd, Chesterfield, MO 63017-3406.

What is Jennifer Demertzis's phone number?

The practice phone number listed in the NPPES registry for Jennifer Demertzis is (314) 434-1500.

Does Jennifer Demertzis accept Medicare?

Jennifer Demertzis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Jennifer Demertzis's NPI active?

Yes — Jennifer Demertzis's NPI (1245326966) is active in the NPPES registry as of the last update on 2019-10-18.

IndividualActiveAccepts Medicare

Jennifer Demertzis, MD

NPI 1245326966 · Diagnostic Radiology Physician · Chesterfield, MO

Jennifer Demertzis, MD is a Diagnostic Radiology Physician provider in Chesterfield, MO (NPI 1245326966).

Provider details

NPI number: 1245326966
Entity type: Individual
Primary specialty: Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: 2008007442 (MO)

Practice location

232 S Woods Mill Rd

Chesterfield, MO 63017-3406

Phone: (314) 434-1500

Fax: (314) 548-4748

Street-level locationGet directions

More MO providers

Mailing address

13209 Corporate Exchange Dr

Bridgeton, MO 63044-3721

Specialties & taxonomies

Diagnostic Radiology PhysicianPrimary2085R0202XLicense 2008007442 (MO)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(77/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
2,300 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Mri Scan of Leg Joint Without Contrast73721	258	$60
Mri Scan of Arm Joint Without Contrast73221	226	$61
X-Ray of Chest, 1 View71045	195	$8
Screening Mammography77067	185	$34
Screening 3d Breast Mammography77063	172	$27
Dxa Bone Density Measurement of Hip, Pelvis, Spine77080	149	$9

Enumerated: 2006-10-04
Last updated: 2019-10-18

Frequently asked questions

What is Jennifer Demertzis's NPI number?: Jennifer Demertzis's National Provider Identifier (NPI) is 1245326966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Jennifer Demertzis's specialty?: Jennifer Demertzis is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
Where is Jennifer Demertzis located?: Jennifer Demertzis's practice location on file with NPPES is 232 S Woods Mill Rd, Chesterfield, MO 63017-3406.
What is Jennifer Demertzis's phone number?: The practice phone number listed in the NPPES registry for Jennifer Demertzis is (314) 434-1500.
Does Jennifer Demertzis accept Medicare?: Jennifer Demertzis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Jennifer Demertzis's NPI active?: Yes — Jennifer Demertzis's NPI (1245326966) is active in the NPPES registry as of the last update on 2019-10-18.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)