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Edit this profileAt a glance
- 9321 W Thomas Rd, Ste 400, Phoenix, AZ 85037
About Dr. Weiss
Based in Phoenix, AZ, William L. Weiss, MD, PC is listed in the NPI registry under nephrology. William graduated from R Franklin University of Med & Sci/Chicago Medical School in 1998. According to Medicare claims data, William cared for 324 Medicare patients across 2,702 services. The services billed most often include management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes, chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month, and management using the results of remote vital sign monitoring per calendar month, first 20 minutes. NPI 1881686368 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (623) 537-5100
- Email not available
Practice Locations
9321 W THOMAS RD STE 400
Phoenix, AZ 85037
Conditions Commonly Evaluated or Treated
Within Nephrology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Acid-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Procedures & services
Medical diet therapy
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
- Dialysis Access Physical Exam
- Dialysis Catheter Removal
- Dialysis Fistula Repair
- Temporary Dialysis Line Placement
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
- 24-hour urine test
- Comprehensive Metabolic Panel
- Kidney Function Blood Test
- Parathyroid hormone monitoring
- Urine protein check
- Urine sediment test
Medication management
- Active Vitamin D Therapy
- Resistant Blood Pressure Medication Adjustment
- Steroid Therapy For Kidney Inflammation
Medication therapy
- Acid reducer treatment for kidneys
- Phosphate binder therapy
- Potassium lowering treatment
- Red blood cell booster injections
- Water pill adjustment
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
Procedures Most Often Billed to Medicare
2,702 services · 324 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
114 | As often as other peers in Nephrology |
| Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | Office visit | 99458 |
709 | More often than most peers in Nephrology |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
527 | More than most peers in Nephrology |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | Office visit | 99457 |
400 | More often than most peers in Nephrology |
| Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | Office visit | 99454 |
385 | More often than most peers in Nephrology |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
293 | More often than most peers in Nephrology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
212 | As often as other peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
43 | Less often than most peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
19 | Less often than most peers in Nephrology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other kidney specialists in Phoenix 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at R Franklin University of Med & Sci/Chicago Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at R Franklin University of Med & Sci/Chicago Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Dialysis services, 4 or more physician visits per month (20 years or older) 7
Providers in AZ who bill this service to Medicare most often.
Common questions
What does Dr. Weiss specialize in?
Dr. Weiss is a kidney specialist in Phoenix, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
Where is Dr. Weiss located?
Dr. Weiss is listed at 9321 W Thomas Rd Ste 400, Phoenix, AZ 85037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Weiss's phone number?
The number on file is (623) 537-5100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Weiss's NPI number?
Dr. Weiss's National Provider Identifier is 1881686368. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Weiss go to medical school?
Dr. Weiss attended R Franklin University of Med & Sci/Chicago Medical School, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Weiss been practicing?
Dr. Weiss has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Weiss do most often?
According to Medicare billing data, Dr. Weiss provides treatments such as dialysis services, 4 or more physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Weiss confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Weiss. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.