PETER KNOWLTON M.D.
NPI 1740523604
Ophthalmology in Charleston, SC

Active since March 29, 2013PECOS EnrolledAccepts Medicare Assignment
75.69/100
CMS Quality Rating
1637 SAVANNAH HWY, CHARLESTON, SC 29407(843) 884-2015(843) 856-9944 Get Directions Write a Review

NPPES record last updated: March 7, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 7, 2022, May 20, 2020, Feb 11, 2020 and 3 more (6 updates tracked since 2017).

About Peter Knowlton M.d. NPPES

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

PETER KNOWLTON M.D. (NPI 1740523604) is an individual ophthalmology provider in Charleston, South Carolina, licensed in South Carolina (51384) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (2013).

NPPES Registry Identity

NPI1740523604
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NamePETER KNOWLTONCredential: M.D.
Location Address1637 SAVANNAH HWYCharleston, SC 29407-6282
Mailing Address2861 Tricom StNorth Charleston, SC 29406-9172 · (843) 725-0064 · Fax (843) 569-7885
Fax(843) 856-9944
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 2013
Enumeration DateMarch 29, 2013
Last NPPES UpdateMarch 7, 20226 updates tracked since enumeration
NPPES CertifiedMarch 7, 2022
NPI 1740523604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in SC · 51384
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.

1637 SAVANNAH HWY, Charleston, SC 29407

Accepted 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

Peter Knowlton 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 ID7012280290
PECOS Enrollment IDI20170911000923
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 17

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 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.
948 services902 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.
869 services502 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.
394 services376 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).
374 services366 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.
368 services335 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.
183 services115 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29407 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
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
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.

75.69/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality95.95
Promoting Interoperability100
Improvement Activities40
Cost23.03

Reported Quality Measures

Diabetes: Eye Exam
99%511 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
99%2,384 patients4/55-star benchmark: 100%
Glaucoma Intraocular Pressure Reduction
93%716 patients
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 100% · 1,391 patients
Patients screened: 100% · 1,391 patients
99%73 patients4/55-star benchmark: 100%
Primary Open-Angle Glaucoma (POAG): Reduction of Intraocular Pressure (IOP) by 15% OR Documentation of a Plan of Care
100%529 patients
Provide Patients Electronic Access to Their Health Information
94%1,258 patients4/55-star benchmark: 100%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 2,465 patients
Patients totalRate: 0% · 2,465 patients
0%2,465 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 6

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

Technician/Technologist (Optician)
1637 SAVANNAH HWY
CHARLESTON, SC 29407
Chiropractor
1637 SAVANNAH HWY, STE. 202
CHARLESTON, SC 29407
Durable Medical Equipment & Medical Supplies
1637 SAVANNAH HWY
CHARLESTON, SC 29407
Chiropractor
1637 SAVANNAH HWY, STE. 202
CHARLESTON, SC 29407
Clinic/Center
1637 SAVANNAH HWY
CHARLESTON, SC 29407
Ophthalmology
1637 SAVANNAH HWY
CHARLESTON, SC 29407

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 Peter Knowlton's NPI number?

The NPI number for Peter Knowlton is 1740523604. It was assigned to this individual provider in the NPPES registry on March 29, 2013.

Where is Peter Knowlton located?

Peter Knowlton practices at 1637 Savannah Hwy, Charleston, SC 29407. The listed phone number is (843) 884-2015.

What is Peter Knowlton's specialty?

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

Is Peter Knowlton enrolled in Medicare?

Yes. Peter Knowlton 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 Peter Knowlton accept?

Health plans from BlueCross BlueShield of South Carolina and UnitedHealthcare list Peter Knowlton 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 Peter Knowlton was last updated on March 7, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.