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CRYSTAL LYNN NHIEU M.D.
NPI 1912360652
Obstetrics & Gynecology - Obstetrics in Baton Rouge, LA

Active since March 31, 2016PECOS EnrolledAccepts Medicare Assignment
90.85/100
CMS Quality Rating
500 RUE DE LA VIE ST STE 413, BATON ROUGE, LA 70817(225) 215-7442 Get Directions Write a Review

NPPES record last updated: July 6, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 6, 2021, Mar 31, 2016 (2 updates tracked since 2016).

About Crystal Lynn Nhieu M.d. NPPES

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

CRYSTAL LYNN NHIEU M.D. (NPI 1912360652) is an individual obstetrics provider in Baton Rouge, Louisiana, licensed in Louisiana (322080) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Womans Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1912360652
Entity TypeIndividualFemale
Primary Taxonomy207VX0000X
Provider Legal NameCRYSTAL LYNN NHIEUCredential: M.D.
Location Address500 RUE DE LA VIE ST STE 413Baton Rouge, LA 70817-5128
Mailing Address500 Rue De La Vie St Ste 413Baton Rouge, LA 70817-5128 · (225) 215-7442
Phone(225) 215-7442
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 31, 2016
Last NPPES UpdateJuly 6, 20212 updates tracked since enumeration
NPPES CertifiedJuly 6, 2021
✔ NPI 1912360652 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians
Taxonomy Code207VX0000X
License✔ Licensed in LA · 322080
Definition
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee
500 RUE DE LA VIE ST STE 413, Baton Rouge, LA 70817
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, HMO Louisiana.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

Crystal Lynn Nhieu 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 ID8729378518
PECOS Enrollment IDI20200701003312
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 Reassignment

Medicare enrollment records show Crystal Nhieu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Louisiana Women's Healthcare Associates LLC.
Same address
Obstetrics & Gynecology
500 RUE DE LA VIE ST, SUITE 100
Baton Rouge, LA 70817
  • Reassigned Medicare billing, Louisiana enrollment
  • 46 clinicians in this Medicare group
NPI 1598834269 (225) 201-2000

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 7

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.

Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
64 services64 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
64 services64 patients
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.
43 services33 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
41 services41 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
39 services39 patients
Dxa bone density measurement of hip, pelvis, spine 77080
A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
19 services19 patients

Hospital Affiliations CMS Care Compare

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

Womans Hospital

Acute Care Hospitals · Baton Rouge, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190128
Location100 Woman's WayBaton Rouge, LA 70817 · E. Baton Rouge County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70817 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
$124.60 typical visit price
range $53.43 – $164.73
Typical copayment $31.15 (range $13.35 – $41.18)
Most-billed visit code 99204
Established Patient
$67.06 typical visit price
range $16.64 – $133.62
Typical copayment $16.76 (range $4.16 – $33.40)
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.

90.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.28
Promoting Interoperability100
Improvement Activities40
Cost79.23

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 Crystal Nhieu's NPI number?

The NPI number for Crystal Nhieu is 1912360652. It was assigned to this individual provider in the NPPES registry on March 31, 2016.

Where is Crystal Nhieu located?

Crystal Nhieu practices at 500 Rue De La Vie St Ste 413, Baton Rouge, LA 70817. The listed phone number is (225) 215-7442.

What is Crystal Nhieu's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Is Crystal Nhieu enrolled in Medicare?

Yes. Crystal Nhieu 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 organization bills Medicare for Crystal Nhieu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Nhieu reassigns Medicare benefits to Louisiana Women's Healthcare Associates LLC. (Baton Rouge, LA). The 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 Crystal Nhieu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Crystal Nhieu accept?

Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Crystal Nhieu 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 Crystal Nhieu affiliated with any hospitals?

According to CMS data, Crystal Nhieu is affiliated with Womans Hospital.

When was this NPI record last updated?

The NPPES record for Crystal Nhieu was last updated on July 6, 2021. 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.