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DR. CRYSTAL J KLAAHSEN O.D.
NPI 1528076288
Optometrist in Cambridge, MA

Active since August 04, 2006PECOS EnrolledAccepts Medicare Assignment
2038 MASSACHUSETTS AVE, CAMBRIDGE, MA 02140(617) 864-3147(617) 864-4994 Get Directions Write a Review

NPPES record last updated: November 14, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Crystal J Klaahsen O.d. NPPES

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

DR. CRYSTAL J KLAAHSEN O.D. (NPI 1528076288) is an individual optometrist in Cambridge, Massachusetts, licensed in Massachusetts (4567) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of New England College Of Optometry (2006).

NPPES Registry Identity

NPI1528076288
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. CRYSTAL J KLAAHSENCredential: O.D.
Location Address2038 MASSACHUSETTS AVECambridge, MA 02140-2104
Mailing Address2038 Massachusetts AveCambridge, MA 02140-2104 · (617) 864-3147 · Fax (617) 864-4994
Phone(617) 864-3147
Fax(617) 864-4994
Sole ProprietorYes
Medical School CMSNew England College Of OptometryGraduated 2006
Enumeration DateAugust 4, 2006
Last NPPES UpdateNovember 14, 2011
✔ NPI 1528076288 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in MA · 4567
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
2038 MASSACHUSETTS AVE, Cambridge, MA 02140
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Other Names 1

Former Name (1)Crystal J Bartosh

Other Identifiers 7

Other272710774MA · Tricare
Medicare UPIN0015994MA
OtherAA184459MA · Harvard Pilgrim Health Care
Medicare UPINW1765102MA
Other7488993MA · Cigna
OtherA04719MA · Eyemed Vision Care
OtherW16488MA · Blue Cross Blue Shield

Accepted Insurance

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

Dr. Crystal J Klaahsen O.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 ID2264430602
PECOS Enrollment IDI20061120000437
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 5

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.
203 services185 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.
84 services70 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.
37 services37 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.
26 services26 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.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02140 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.

Other Providers at the Same Location NPPES

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

SANDRA M PAYTON O.D.
Optometrist
2038 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Middlesex County (617) 864-3147

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 Klaahsen's NPI number?

The NPI number for Crystal Klaahsen is 1528076288. It was assigned to this individual provider in the NPPES registry on August 4, 2006. The provider is also known as Crystal J Bartosh.

Where is Crystal Klaahsen located?

Crystal Klaahsen practices at 2038 Massachusetts Ave, Cambridge, MA 02140. The listed phone number is (617) 864-3147.

What is Crystal Klaahsen's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Crystal Klaahsen enrolled in Medicare?

Yes. Crystal Klaahsen 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 Klaahsen accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of Tennessee and 1 other insurer list Crystal Klaahsen 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 Klaahsen was last updated on November 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.