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CRYSTAL LI ZHANG MD
NPI 1376047415
Ophthalmology - Cornea and External Diseases Specialist in Waltham, MA

Active since March 22, 2018PECOS EnrolledAccepts Medicare Assignment
89.53/100
CMS Quality Rating
195 WEST ST, WALTHAM, MA 02451(781) 487-2200(781) 487-5717 Get Directions Write a Review

NPPES record last updated: June 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 25, 2022, Apr 21, 2022, Mar 22, 2018 (3 updates tracked since 2018).

About Crystal Li Zhang Md NPPES

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

CRYSTAL LI ZHANG MD (NPI 1376047415) is an individual cornea and external diseases specialist in Waltham, Massachusetts, licensed in Massachusetts (1015432) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Medical University Of South Carolina College Of Medicine (2018).

NPPES Registry Identity

NPI1376047415
Entity TypeIndividualFemale
Primary Taxonomy207WX0120X
Provider Legal NameCRYSTAL LI ZHANGCredential: MD
Location Address195 WEST STWaltham, MA 02451-1111
Mailing Address195 West StWaltham, MA 02451-1111 · (781) 487-2200 · Fax (781) 487-5717
Phone(781) 487-2200
Fax(781) 487-5717
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2018
Enumeration DateMarch 22, 2018
Last NPPES UpdateJune 17, 20263 updates tracked since enumeration
NPPES CertifiedJune 17, 2026
✔ NPI 1376047415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmology · Cornea and External Diseases SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0120X
License✔ Licensed in MA · 1015432
Definition
An ophthalmologist who specializes in diseases of the cornea, sclera, eyelids, conjunctiva, and anterior segment of the eye.
195 WEST ST, Waltham, MA 02451
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Molina Healthcare.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

Crystal Li Zhang 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 ID1658621875
PECOS Enrollment IDI20240430003429
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.

Areas of Expertise CMS Part B claims 8

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 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.
132 services90 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
127 services127 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.
61 services58 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.
45 services32 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.
36 services23 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.
34 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02451 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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.

89.53/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost65.13

Other Providers at the Same Location NPPES 2

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

DANIELLE TORRE
Optometrist
195 WEST ST
WALTHAM, MA 02451
Middlesex County (781) 487-2200
JAXON HALL POWERS
Optometrist
195 WEST ST
WALTHAM, MA 02451
Middlesex County (781) 487-2200

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 Zhang's NPI number?

The NPI number for Crystal Zhang is 1376047415. It was assigned to this individual provider in the NPPES registry on March 22, 2018.

Where is Crystal Zhang located?

Crystal Zhang practices at 195 West St, Waltham, MA 02451. The listed phone number is (781) 487-2200.

What is Crystal Zhang's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Cornea and External Diseases Specialist, with taxonomy code 207WX0120X.

Is Crystal Zhang enrolled in Medicare?

Yes. Crystal Zhang 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 Crystal Zhang accept?

Health plans from Anthem Blue Cross and Blue Shield and Molina Healthcare list Crystal Zhang 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.

When was this NPI record last updated?

The NPPES record for Crystal Zhang was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 days 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.