DR. WILLIAM JOHN DAHMS JR. D.O.
NPI 1952419376
Internal Medicine - Nephrology in Newark, DE

Q: What is William Dahms's NPI number?

The NPI number for William Dahms is 1952419376. It was assigned to this individual provider in the NPPES registry on August 26, 2006.

Q: What is William Dahms's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for William Dahms was last updated on June 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 August 26, 2006PECOS EnrolledAccepts Medicare Assignment

4923 OGLETOWN STANTON RD, SUITE 200, NEWARK, DE 19713(302) 225-0451(302) 225-0472 Get Directions Write a Review

NPPES record last updated: June 17, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. William John Dahms Jr. D.o. NPPES

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

DR. WILLIAM JOHN DAHMS JR. D.O. (NPI 1952419376) is an individual nephrology provider in Newark, Delaware, licensed in Delaware (C2-0008640) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Of Cecil County, and is a graduate of Philadelphia College Of Osteopathic Medicine (2000).

NPPES Registry Identity

NPI1952419376

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. WILLIAM JOHN DAHMS JR.Credential: D.O.

Location Address4923 OGLETOWN STANTON RD, SUITE 200Newark, DE 19713-2081

Mailing Address4923 Ogletown Stanton Rd, Suite 200Newark, DE 19713-2081 · (302) 225-0451 · Fax (302) 225-0472

Phone(302) 225-0451

Fax(302) 225-0472

Sole ProprietorNo

Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2000

Enumeration DateAugust 26, 2006

Last NPPES UpdateJune 17, 2021

NPPES CertifiedJune 17, 2021

✔ NPI 1952419376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in DE · C2-0008640✔ Licensed in MD · H0067091

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

4923 OGLETOWN STANTON RD, Newark, DE 19713

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Other Identifiers 3

Medicaid415810500MD

Medicaid1952419376DE

Medicaid0175501NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Highmark Blue Cross Blue Shield 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. William John Dahms Jr. D.o. 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 ID4981606274

PECOS Enrollment IDI20080822000054, I20080915000141

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 20

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, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units Q5106

Epoetin alfa-epbx (Retacrit) is a biosimilar injection used for non-ESRD (End-Stage Renal Disease). It helps your body make more red blood cells, increasing your energy and well-being. It's usually given under the skin or into a vein by a healthcare professional.

900 services35 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

875 services26 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

527 services198 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.

340 services232 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

291 services40 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

271 services117 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

144 services84 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

117 services111 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

73 services48 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

52 services35 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

49 services11 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

42 services38 patients

Insertion of tunneled central venous tube for infusion (5 years or older) 36558

The insertion of a tunneled central venous tube is a procedure where a thin, flexible tube is placed into a large vein, usually in the neck or chest. This tube allows healthcare providers to give medications, fluids, or nutrients directly into your bloodstream over a longer period.

40 services36 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

37 services34 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

28 services14 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

17 services13 patients

Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 36902

This procedure involves inserting a needle or tube into your hemodialysis circuit, a system that cleans your blood when your kidneys can't. A balloon is then used to widen a narrow section of this circuit. A radiologist reviews the procedure to ensure accuracy.

12 services11 patients

Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153

This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.

12 services11 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19713 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

$131.15 typical visit price

range $57.12 – $173.08

Typical copayment $32.78 (range $14.28 – $43.27)

Most-billed visit code 99204

Established Patient

$100.68 typical visit price

range $18.36 – $141.05

Typical copayment $25.17 (range $4.59 – $35.26)

Most-billed visit code 99214

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 5

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

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503

Treatment-Chemotherapy · category RH002N

1 supplier11 claims12,600 services$1.21 avg. paid by Medicare

Cyclosporine, oral, 25 mg J7515

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier12 claims1,440 services$0.60 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

5 suppliers12 claims1,500 services$0.22 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

4 suppliers20 claims20 services$18.95 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

5 suppliers26 claims29 services$12.67 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.

LIEREN HEALEY

Nurse's Aide

4923 OGLETOWN STANTON RD, SUITE 200
NEWARK, DE 19713

New Castle County (302) 225-0451

VALERIE BURRIS

Nurse's Aide

4923 OGLETOWN STANTON RD, SUITE 200
NEWARK, DE 19713

New Castle County (302) 225-0451

YAMILETH WU-GERRARD MSN

Nurse Practitioner

4923 OGLETOWN STANTON RD, SUITE 200
NEWARK, DE 19713

New Castle County (302) 225-0451

MANTHODI KULANGARA FAISAL MD

Internal Medicine (Nephrology)

4923 OGLETOWN STANTON RD, SUITE 200
NEWARK, DE 19713

New Castle County (302) 225-0451

KEVIN DUFFY

Nurse's Aide

4923 OGLETOWN STANTON RD, SUITE 200
NEWARK, DE 19713

New Castle County (302) 225-0451

LATRELLE EDWARDS

Nurse's Aide

4923 OGLETOWN STANTON RD, SUITE 200
NEWARK, DE 19713

New Castle County (302) 225-0451

THE ABEL CENTER FOR OCULOFACIAL PLASTIC SURGERY, LLC

Ophthalmology

4923 OGLETOWN STANTON RD, SUITE 110
NEWARK, DE 19713

New Castle County (302) 998-3220

KRISTINE BROOKS

Dietitian, Registered

4923 OGLETOWN STANTON RD, SUITE 200
NEWARK, DE 19713

New Castle County (302) 225-0451

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 William Dahms's NPI number?

The NPI number for William Dahms is 1952419376. It was assigned to this individual provider in the NPPES registry on August 26, 2006.

Where is William Dahms located?

William Dahms practices at 4923 Ogletown Stanton Rd Suite 200, Newark, DE 19713. The listed phone number is (302) 225-0451.

What is William Dahms's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is William Dahms enrolled in Medicare?

Yes. William Dahms 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 William Dahms accept?

Health plans from AmeriHealth Caritas Next and Highmark Blue Cross Blue Shield Delaware list William Dahms 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 William Dahms affiliated with any hospitals?

According to CMS data, William Dahms is affiliated with Union Hospital Of Cecil County.

When was this NPI record last updated?

The NPPES record for William Dahms was last updated on June 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.