DR. NANCY BUCHSER MD
NPI 1033349741
Ophthalmology in Saint Louis, MO

Q: What is Nancy Buchser's NPI number?

The NPI number for Nancy Buchser is 1033349741. It was assigned to this individual provider in the NPPES registry on July 16, 2009.

Q: What is Nancy Buchser's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Nancy Buchser was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since July 16, 2009PECOS EnrolledAccepts Medicare Assignment

86.43/100

CMS Quality Rating

4921 PARKVIEW PL STE 14F, SAINT LOUIS, MO 63110(314) 361-5003(314) 361-2686 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 29, 2025, Jul 21, 2022, Jun 25, 2017 (3 updates tracked since 2017).

On this page

About Dr. Nancy Buchser Md NPPES

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

DR. NANCY BUCHSER MD (NPI 1033349741) is an individual ophthalmology provider in Saint Louis, Missouri, licensed in Missouri (2017020753) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1033349741

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameDR. NANCY BUCHSERCredential: MD

Location Address4921 PARKVIEW PL STE 14FSaint Louis, MO 63110-1032

Mailing Address12400 Olive Blvd Ste 200Saint Louis, MO 63141-5436 · (314) 391-9400 · Fax (618) 861-6003

Phone(314) 361-5003

Fax(314) 361-2686

Sole ProprietorNo

Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 2007

Enumeration DateJuly 16, 2009

Last NPPES UpdateDecember 29, 20253 updates tracked since enumeration

NPPES CertifiedDecember 29, 2025

✔ NPI 1033349741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in MO · 2017020753

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Also ListedOphthalmology · Glaucoma SpecialistTaxonomy 207WX0009X · License 2017020753 (MO)

4921 PARKVIEW PL STE 14F, Saint Louis, MO 63110

Open in Google Maps ↗

Secondary Practice Location 1

Location 112400 Olive Blvd Ste 200Saint Louis, MO 63141-5436 · Phone (314) 391-9400 · Fax (618) 861-6003

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Oscar Health, Oscar Health Insurance and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nancy Buchser 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 ID1557525458

PECOS Enrollment IDI20120605000397

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.

Medicare Billing Reassignments

Medicare enrollment records show Nancy Buchser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cohen Eye Associates Limited

Same address

Ophthalmology

4921 PARKVIEW PLACE, STE 14F
Saint Louis, MO 63110

Reassigned Medicare billing, Missouri enrollment
3 clinicians in this Medicare group

NPI 1295872026 (314) 361-5003

Ideal Eye Surgery LLC

19 mi

Ophthalmology

705 INSIGHT AVE
O Fallon, IL 62269

Reassigned Medicare billing, Missouri enrollment
11 clinicians in this Medicare group

NPI 1366966186 (618) 391-1660

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

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 low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

291 services179 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

194 services194 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

183 services174 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

159 services153 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.

92 services84 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

53 services46 patients

Exam of the internal drainage system of eye 92020

This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.

52 services49 patients

Laser repair to improve eye fluid flow 65855

Laser repair to improve eye fluid flow is a procedure aimed at treating glaucoma. A laser is used to create a small hole in the eye's drainage system, allowing fluid to flow out more easily. This helps to lower the pressure inside the eye, reducing the risk of vision loss.

46 services27 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

31 services31 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

21 services14 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

21 services20 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

20 services14 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

16 services16 patients

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

14 services14 patients

Ultrasound scan of cornea to determine thickness 76514

An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260032

LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.43/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Promoting Interoperability

100

Improvement Activities

Cost

54.78

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 Nancy Buchser's NPI number?

The NPI number for Nancy Buchser is 1033349741. It was assigned to this individual provider in the NPPES registry on July 16, 2009.

Where is Nancy Buchser located?

Nancy Buchser practices at 4921 Parkview Pl Ste 14F, Saint Louis, MO 63110. The listed phone number is (314) 361-5003.

What is Nancy Buchser's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Nancy Buchser enrolled in Medicare?

Yes. Nancy Buchser 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.

Which organizations bill Medicare for Nancy Buchser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Buchser reassigns Medicare benefits to 2 organizations: Cohen Eye Associates Limited (Saint Louis, MO) and Ideal Eye Surgery LLC (O Fallon, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nancy Buchser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nancy Buchser accept?

Health plans from Anthem Blue Cross and Blue Shield, Oscar Health, Oscar Health Insurance, Oscar Health Maintenance Organization of Florida and Oscar Health Plan of North Carolina, Inc and 3 other insurers list Nancy Buchser 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 Nancy Buchser affiliated with any hospitals?

According to CMS data, Nancy Buchser is affiliated with Barnes Jewish Hospital.

When was this NPI record last updated?

The NPPES record for Nancy Buchser was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.