DR. CHRISTOPHER J WILLIAMSON II MD
NPI 1083900351
Orthopaedic Surgery in Royersford, PA

Q: What is Christopher Williamson's NPI number?

The NPI number for Christopher Williamson is 1083900351. It was assigned to this individual provider in the NPPES registry on June 24, 2011.

Q: What is Christopher Williamson's specialty?

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

Active since June 24, 2011PECOS EnrolledAccepts Medicare Assignment

400 ENTERPRISE DR, 2ND FLOOR, ROYERSFORD, PA 19468(800) 321-9999(267) 339-3763 Get Directions Write a Review

NPPES record last updated: June 15, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Christopher J Williamson Ii Md NPPES

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

DR. CHRISTOPHER J WILLIAMSON II MD (NPI 1083900351) is an individual orthopaedic surgery provider in Royersford, Pennsylvania, licensed in Pennsylvania (MD454620) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Lansdale Hospital, and is a graduate of Temple University School Of Medicine (2011).

NPPES Registry Identity

NPI1083900351

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. CHRISTOPHER J WILLIAMSON IICredential: MD

Location Address400 ENTERPRISE DR, 2ND FLOORRoyersford, PA 19468-1218

Mailing Address833 Chestnut St, Suite 1402Philadelphia, PA 19107-4414 · (800) 321-9999 · Fax (267) 339-3761

Phone(800) 321-9999

Fax(267) 339-3763

Sole ProprietorNo

Medical School CMSTemple University School Of MedicineGraduated 2011

Enumeration DateJune 24, 2011

Last NPPES UpdateJune 15, 2016

✔ NPI 1083900351 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 PA · MD454620

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License MT200323 (PA)

400 ENTERPRISE DR, Royersford, PA 19468

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Other Identifiers 1

Medicare PIN171384PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.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. Christopher J Williamson Ii 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 ID1658663752

PECOS Enrollment IDI20160711001683, I20160815001126

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 18

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.

167 services144 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

109 services62 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.

103 services87 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

90 services90 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

72 services54 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.

70 services62 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.

54 services54 patients

X-ray of finger, minimum of 2 views 73140

An X-ray of the finger involves capturing images of your finger from at least two different angles. This non-invasive procedure helps in visualizing the bones and joints, aiding in the diagnosis of fractures, infections, or other abnormalities. Minimal discomfort may be experienced.

52 services41 patients

Aspiration and/or injection of fluid from small joint 20600

This procedure involves inserting a thin needle into a small joint to remove (aspirate) or inject fluid. It can help diagnose conditions, relieve discomfort, or administer medication directly into the joint. It's generally safe with minimal discomfort.

49 services41 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

37 services32 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

26 services26 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

26 services26 patients

Release and/or relocation of hand nerve 64721

This procedure involves adjusting or moving a nerve in your hand to alleviate discomfort or improve function. The nerve may be compressed, causing pain or numbness. By releasing or relocating the nerve, these symptoms can be reduced, enhancing hand usage.

25 services24 patients

Aspiration and/or injection of fluid from medium joint 20605

This procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.

16 services14 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

16 services15 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

13 services12 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

12 services12 patients

Closed treatment of broken forearm (radius) bone at the wrist area on the thumb side of the wrist without manipulation 25600

This procedure involves treating a broken forearm bone near the wrist, specifically on the thumb side, without any physical realignment. A cast or splint is typically applied to stabilize the bone and promote healing. No surgical intervention is required.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Lansdale Hospital

Acute Care Hospitals · Lansdale, PA

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390012

Location100 Medical Campus DriveLansdale, PA 19446 · Montgomery County

Emergency services

Albert Einstein Medical Center

Acute Care Hospitals · Philadelphia, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390142

Location5501 Old York RoadPhiladelphia, PA 19141 · Philadelphia County

Emergency services Birthing friendly

Einstein Medical Center Montgomery

Acute Care Hospitals · East Norriton, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390329

Location559 West Germantown PikeEast Norriton, PA 19403 · Montgomery County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19468 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

$92.69 typical visit price

range $59.88 – $180.99

Typical copayment $23.17 (range $14.97 – $45.24)

Most-billed visit code 99203

Established Patient

$74.47 typical visit price

range $19.30 – $147.29

Typical copayment $18.61 (range $4.82 – $36.82)

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.

Referred Medical Equipment & Supplies CMS DME claims 3

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

Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf L3670

DME-Orthotic Devices · category DF000N

1 supplier26 claims26 services$103.40 avg. paid by Medicare

Wrist hand finger orthosis, without joint(s), prefabricated, off-the-shelf, any type L3809

DME-Orthotic Devices · category DF000N

1 supplier38 claims40 services$184.72 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 supplier50 claims52 services$50.21 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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.

NATHAN KRIEGER

Physical Therapist

400 ENTERPRISE DR
LIMERICK, PA 19468

Montgomery County (800) 321-9999

DEBORAH A MULHOLLAND DPT

Physical Therapist

400 ENTERPRISE DR, 3RD FLOOR
LIMERICK, PA 19468

Montgomery County (800) 321-9999

RECONSTRUCTIVE ORTHOPAEDIC ASSOCIATES II, P.C.

Prosthetic/Orthotic Supplier

400 ENTERPRISE DR, SECOND FLOOR
LIMERICK, PA 19468

Montgomery County (800) 321-9999

RECONSTRUCTIVE ORTHOPAEDIC ASSOCIATES II, P.C.

Clinic/Center (Urgent Care)

400 ENTERPRISE DR, THIRD FLOOR
LIMERICK, PA 19468

Montgomery County (800) 321-9999

MICHELE P HESS MSPT

Physical Therapist

400 ENTERPRISE DR, 3RD FLOOR
LIMERICK, PA 19468

Montgomery County (484) 932-5060

MICHAEL DAMPF DPT

Physical Medicine & Rehabilitation

400 ENTERPRISE DR
LIMERICK, PA 19468

Montgomery County (800) 321-9999

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 Christopher Williamson's NPI number?

The NPI number for Christopher Williamson is 1083900351. It was assigned to this individual provider in the NPPES registry on June 24, 2011.

Where is Christopher Williamson located?

Christopher Williamson practices at 400 Enterprise Dr 2nd Floor, Royersford, PA 19468. The listed phone number is (800) 321-9999.

What is Christopher Williamson's specialty?

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

Is Christopher Williamson enrolled in Medicare?

Yes. Christopher Williamson 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 Christopher Williamson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Christopher Williamson 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 Christopher Williamson affiliated with any hospitals?

According to CMS data, Christopher Williamson is affiliated with Lansdale Hospital, Albert Einstein Medical Center and Einstein Medical Center Montgomery.

When was this NPI record last updated?

The NPPES record for Christopher Williamson was last updated on June 15, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.