PETER M WITHERELL M.D.
NPI 1598790099
Anesthesiology - Pain Medicine in Wilmington, DE

Q: What is Peter Witherell's NPI number?

The NPI number for Peter Witherell is 1598790099. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Q: What is Peter Witherell's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Q: When was this NPI record last updated?

The NPPES record for Peter Witherell was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since July 12, 2006PECOS EnrolledAccepts Medicare Assignment

97.17/100

CMS Quality Rating

3411 SILVERSIDE ROAD, SUITE 103 RODNEY BUILDING, WILMINGTON, DE 19810(302) 478-7001(302) 478-7002 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Peter M Witherell M.d. NPPES

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

PETER M WITHERELL M.D. (NPI 1598790099) is an individual pain medicine provider in Wilmington, Delaware, licensed in Delaware (C1-0004878) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1991).

NPPES Registry Identity

NPI1598790099

Entity TypeIndividualMale

Primary Taxonomy207LP2900X

Provider Legal NamePETER M WITHERELLCredential: M.D.

Location Address3411 SILVERSIDE ROAD, SUITE 103 RODNEY BUILDINGWilmington, DE 19810

Mailing AddressPo Box 3012Wilmington, DE 19804 · (302) 224-5678 · Fax (302) 224-2848

Phone(302) 478-7001

Fax(302) 478-7002

Sole ProprietorNo

Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1991

Enumeration DateJuly 12, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1598790099 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207LP2900X

License✔ Licensed in DE · C1-0004878

Definition

An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

3411 SILVERSIDE ROAD, Wilmington, DE 19810

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Other Identifiers 3

Medicaid0000752101DE

Medicare ID-Type Unspecified00B719I38DE

Medicare UPING06575

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Peter M Witherell 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 ID143272070

PECOS Enrollment IDI20070328000422

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.

Medicare Billing Reassignment

Medicare enrollment records show Peter Witherell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Interventional Spine Pain Consultants, PA

12 mi

Pain Medicine

774 CHRISTIANA RD, STE 111
Newark, DE 19713

Reassigned Medicare billing, Delaware enrollment
4 clinicians in this Medicare group

NPI 1699700195 (302) 478-7001

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 32

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.

1,093 services110 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.

940 services364 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

249 services167 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

181 services103 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

163 services93 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

138 services96 patients

Injection, methylprednisolone acetate, 40 mg J1030

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

134 services104 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

130 services84 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 64636

This procedure involves using imaging technology to locate and treat nerves in your lower spine or sacral area that may be causing pain. Each additional facet joint refers to treating more than one spinal nerve. It's a non-invasive way to manage chronic back pain.

118 services75 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.

111 services111 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

70 services55 patients

Injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, single level 64479

This procedure involves injecting anesthetic or steroid medication into a specific nerve root in the upper or middle spine. It's performed using imaging technology for precise placement. The aim is to reduce inflammation and alleviate pain.

62 services49 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

57 services41 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

54 services36 patients

Injection of upper or middle spine facet joint using imaging guidance, single level 64490

This procedure involves injecting medication into a joint in your upper or middle spine. It's performed under imaging guidance for precision. The aim is to reduce inflammation and pain. It's a single-level process, meaning one joint is treated at a time.

48 services28 patients

Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic G2012

A virtual check-in is a short online or phone consultation with your healthcare provider. It's for established patients and isn't related to a recent appointment. It's a convenient way to discuss health concerns without needing to visit the office in person.

40 services29 patients

Injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, each additional level 64480

This procedure involves injecting anesthetic or steroid medication into the upper or middle spine nerve root, using imaging for precise placement. It helps alleviate pain by reducing inflammation around the nerves. Each additional level refers to treating more sections of the spine.

36 services30 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635

35 services21 patients

Injection of upper or middle spine facet joint using imaging guidance, second level 64491

This procedure involves injecting medication into the upper or middle spine facet joint, a small joint in your back. This is done under imaging guidance for precision. It's a second-level procedure, meaning it's done on two separate joints. It can help reduce pain and inflammation.

31 services18 patients

Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet joint 64633

This procedure involves the use of imaging technology to guide a needle to the nerves of a single facet joint in the upper or middle spine. The nerves are then treated to alleviate pain and improve mobility.

31 services21 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 64636

31 services18 patients

Injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, single level 64479

29 services18 patients

Heat destruction of intraosseous basivertebral nerve in bones of spine in lower back, first two bones 64628

This procedure involves the use of heat to disable the basivertebral nerve within the first two bones of your lower spine. It's done to alleviate chronic lower back pain. It's a safe, minimally invasive procedure with a quick recovery time.

28 services27 patients

Injection of substance into middle or upper spine canal using imaging guidance 62321

This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.

25 services21 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

24 services19 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

24 services15 patients

Heat destruction of intraosseous basivertebral nerve in additional bone of spine in lower back 64629

This procedure involves the application of heat to destroy the basivertebral nerve inside a bone in your lower spine. It's aimed to alleviate chronic low back pain by blocking nerve signals. It's a minimally invasive procedure and recovery time is typically quick.

21 services19 patients

Destruction of upper or middle spinal facet joint nerves using imaging guidance, each additional facet joint 64634

This procedure involves the use of imaging technology to accurately target and destroy nerves in the upper or middle spinal facet joints, which may be causing pain. Each additional facet joint treated follows the same process.

20 services14 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

19 services11 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.

18 services13 patients

Injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, each additional level 64480

17 services11 patients

Injection of substance into middle or upper spine canal using imaging guidance 62321

11 services11 patients

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.

97.17/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

94.34

Improvement Activities

Reported Quality Measures

Advance Care Plan

100%223 patients5/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

100%1,074 patients5/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

100%557 patients5/55-star benchmark: 100%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

100%388 patients5/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 100% · 257 patients

Patients screened: 100% · 257 patients

97%31 patients4/55-star benchmark: 100%

Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older

99%99 patients4/55-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 5

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

ALIGNED COUNSELING LLC

Counselor (Professional)

3411 SILVERSIDE ROAD, BAYNARD BUILDING, SUITE 104
WILMINGTON, DE 19810

New Castle County (615) 474-8700

DEANNA M CANDELORO LPC-MHSP, LPCMH

Counselor (Mental Health)

3411 SILVERSIDE ROAD, BAYNARD BUILDING
WILMINGTON, DE 19810

New Castle County (615) 474-8700

JENIFER MOFFA PUGLIESE MPT

Physical Therapist

3411 SILVERSIDE ROAD, SPRINGER BUILDING, SUITE 105
WILMINGTON, DE 19810

New Castle County (302) 478-5240

DR. MARY KRISTINE BRONSON PH.D.

Psychologist

3411 SILVERSIDE ROAD, WELDIN BUILDING, SUITE 100
WILMINGTON, DE 19810

New Castle County (302) 477-0708

REHABILITATION CONSULTANTS, INC.

Clinic/Center (Rehabilitation)

3411 SILVERSIDE ROAD, SUITE 105
WILMINGTON, DE 19810

New Castle County (302) 478-5240

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 Witherell's NPI number?

The NPI number for Peter Witherell is 1598790099. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Peter Witherell located?

Peter Witherell practices at 3411 Silverside Road Suite 103 Rodney Building, Wilmington, DE 19810. The listed phone number is (302) 478-7001.

What is Peter Witherell's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Peter Witherell enrolled in Medicare?

Yes. Peter Witherell 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.

Which organization bills Medicare for Peter Witherell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Witherell reassigns Medicare benefits to Interventional Spine Pain Consultants, PA (Newark, DE). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Witherell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Witherell accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Highmark Blue Cross Blue Shield Delaware list Peter Witherell 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 Witherell was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.