DR. JOHN D PATTERSON M.D.
NPI 1457390957
Orthopaedic Surgery in Wilmington, DE

Active since June 06, 2006PECOS EnrolledAccepts Medicare Assignment
70.68/100
CMS Quality Rating
1941 LIMESTONE RD STE 101, WILMINGTON, DE 19808(302) 655-9494(302) 691-1478 Get Directions Write a Review

NPPES record last updated: May 15, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 15, 2025, May 6, 2025, Apr 15, 2024 (3 updates tracked since 2024).

About Dr. John D Patterson M.d. NPPES

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

DR. JOHN D PATTERSON M.D. (NPI 1457390957) is an individual orthopaedic surgery provider in Wilmington, Delaware, licensed in Delaware (C1-0006306) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Of Cecil County, and is a graduate of Harvard Medical School (1995).

NPPES Registry Identity

NPI1457390957
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. JOHN D PATTERSONCredential: M.D.
Location Address1941 LIMESTONE RD STE 101Wilmington, DE 19808-5413
Mailing Address1941 Limestone Rd Ste 101Wilmington, DE 19808-5413 · (302) 655-9494 · Fax (302) 691-1478
Fax(302) 691-1478
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1995
Enumeration DateJune 6, 2006
Last NPPES UpdateMay 15, 20253 updates tracked since enumeration
NPPES CertifiedMay 15, 2025
NPI 1457390957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in DE · C1-0006306
Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedOrthopaedic Surgery · Hand SurgeryTaxonomy 207XS0106X · License C1-0006306 (DE)
1941 LIMESTONE RD STE 101, Wilmington, DE 19808

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

Dr. John D Patterson 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 ID3971499302
PECOS Enrollment IDI20040224000474, I20250312001369
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 22

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.

Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
1,148 services124 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.
428 services323 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.
142 services142 patients
X-ray of wrist, 2 views 73100
An X-ray of the wrist, 2 views, is a diagnostic procedure where two different images of your wrist are taken using a small amount of radiation. This helps identify any abnormalities or injuries such as fractures or arthritis. It's a quick, non-invasive process.
128 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.
123 services107 patients
Injection into tendon or ligament 20550
An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.
119 services98 patients

Hospital Affiliations CMS Care Compare 2

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

Union Hospital Of Cecil County

Acute Care Hospitals · Elkton, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210032
Location106 Bow StreetElkton, MD 21921 · Cecil County
Birthing friendly

Chester County Hospital

Acute Care Hospitals · West Chester, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390179
Location701 East Marshall StreetWest Chester, PA 19380 · Chester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19808 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
$88.37 typical visit price
range $57.12 – $173.08
Typical copayment $22.09 (range $14.28 – $43.27)
Most-billed visit code 99203
Established Patient
$71.19 typical visit price
range $18.36 – $141.05
Typical copayment $17.79 (range $4.59 – $35.26)
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.

70.68/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.9
Promoting Interoperability100
Improvement Activities30
Cost40.86

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Shoulder orthosis, figure of eight design abduction restrainer, canvas and webbing, prefabricated, off-the-shelf L3660
DME-Orthotic Devices · category DF000N
1 supplier47 claims47 services$77.64 avg. paid by Medicare
Wrist hand finger orthosis, without joint(s), prefabricated, off-the-shelf, any type L3809
DME-Orthotic Devices · category DF000N
1 supplier15 claims15 services$185.48 avg. paid by Medicare
Wrist hand orthosis, without joints, may include soft interface, straps, custom fabricated, includes fitting and adjustment L3906
DME-Orthotic Devices · category DF000N
1 supplier14 claims14 services$326.93 avg. paid by Medicare
Wrist hand orthosis, wrist extension control cock-up, non molded, prefabricated, off-the-shelf L3908
DME-Orthotic Devices · category DF000N
1 supplier68 claims72 services$50.20 avg. paid by Medicare
Hand finger orthosis, without joints, may include soft interface, straps, custom fabricated, includes fitting and adjustment L3913
DME-Orthotic Devices · category DF000N
3 suppliers46 claims49 services$200.91 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

Orthopaedic Surgery
1941 LIMESTONE RD STE 101
WILMINGTON, DE 19808
Physician Assistant
1941 LIMESTONE RD STE 101
WILMINGTON, DE 19808
Physician Assistant
1941 LIMESTONE RD STE 101
WILMINGTON, DE 19808
Orthopaedic Surgery
1941 LIMESTONE RD STE 101
WILMINGTON, DE 19808
Orthopaedic Surgery
1941 LIMESTONE RD STE 101
WILMINGTON, DE 19808
Physical Therapist
1941 LIMESTONE RD STE 101
WILMINGTON, DE 19808
Orthopaedic Surgery
1941 LIMESTONE RD STE 101
WILMINGTON, DE 19808
Occupational Therapist
1941 LIMESTONE RD STE 101
WILMINGTON, DE 19808

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 John Patterson's NPI number?

The NPI number for John Patterson is 1457390957. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is John Patterson located?

John Patterson practices at 1941 Limestone Rd Ste 101, Wilmington, DE 19808. The listed phone number is (302) 655-9494.

What is John Patterson's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is John Patterson enrolled in Medicare?

Yes. John Patterson 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 John Patterson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 2 other insurers list John Patterson 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 John Patterson affiliated with any hospitals?

According to CMS data, John Patterson is affiliated with Union Hospital Of Cecil County and Chester County Hospital.

When was this NPI record last updated?

The NPPES record for John Patterson was last updated on May 15, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.