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DR. RONALD B WASSERMAN M.D.
NPI 1346268067
Internal Medicine - Infectious Disease in Walnut Creek, CA

Active since July 18, 2006PECOS Enrolled
97.56/100
CMS Quality Rating
365 LENNON LN, SUITE 200, WALNUT CREEK, CA 94598(925) 947-2334(925) 947-5889 Get Directions Write a Review

NPPES record last updated: January 30, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ronald B Wasserman M.d. NPPES

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

DR. RONALD B WASSERMAN M.D. (NPI 1346268067) is an individual infectious disease provider in Walnut Creek, California, licensed in California (G58454) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1984).

NPPES Registry Identity

NPI1346268067
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. RONALD B WASSERMANCredential: M.D.
Location Address365 LENNON LN, SUITE 200Walnut Creek, CA 94598-5910
Mailing Address365 Lennon Ln, Suite 200Walnut Creek, CA 94598-5910 · (925) 947-2334 · Fax (925) 947-5889
Phone(925) 947-2334
Fax(925) 947-5889
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1984
Enumeration DateJuly 18, 2006
Last NPPES UpdateJanuary 30, 2008
✔ NPI 1346268067 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · G58454
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
365 LENNON LN, Walnut Creek, CA 94598
Open in Google Maps ↗

Other Identifiers 3

Medicaid00G584540CA
Medicare UPINE72094CA
Medicare ID-Type Unspecified00G584540CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ronald B Wasserman M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9133126808
PECOS Enrollment IDI20080814000794
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 8

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 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.
483 services224 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.
325 services166 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.
285 services163 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.
145 services118 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.
74 services71 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
50 services50 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

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.

97.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality75.12
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Appropriate Use of DXA Scans in Women Under 65 Years Who Do Not Meet the Risk Factor Profile for Osteoporotic Fracture
Lower rates are better for this measure.
5%20 patients
Breast Cancer Screening
75%95 patients4/55-star benchmark: 93%
Cervical Cancer Screening
47%90 patients2/55-star benchmark: 98%
Colorectal Cancer Screening
53%232 patients3/55-star benchmark: 88%
Controlling High Blood Pressure
80%143 patients4/55-star benchmark: 91%
Diabetes: Eye Exam
13%69 patients1/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
30%69 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
72%1,125 patients3/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
46%235 patients2/55-star benchmark: 100%
HIV Screening
35%223 patients3/55-star benchmark: 60%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
40%448 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
28%316 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 75% · 278 patients
Patients screened: 79% · 278 patients
50%22 patients3/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
100%60 patients5/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
80%194 patients4/55-star benchmark: 91%
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 19

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

MS. TERILYN ANN VOEGTLE APRN, BC
Nurse Practitioner (Adult Health)
365 LENNON LN, SUITE 210
WALNUT CREEK, CA 94598
Contra Costa County (925) 944-1110
KONARK SHARMA M.D.
Internal Medicine (Infectious Disease)
365 LENNON LN, 200
WALNUT CREEK, CA 94598
Contra Costa County (925) 947-2334
INFECTIOUS DISEASE DOCTORS MEDICAL GROUP APC
Internal Medicine (Infectious Disease)
365 LENNON LN, SUITE 200
WALNUT CREEK, CA 94598
Contra Costa County (925) 947-2334
DR. MIRA LIM M.D.
Ophthalmology
365 LENNON LN, STE 210
WALNUT CREEK, CA 94598
Contra Costa County (925) 947-0888
BAY AREA COLON & RECTAL SURGEONS
Surgery
365 LENNON LN, SUITE 290
WALNUT CREEK, CA 94598
Contra Costa County (925) 274-9000
DR. JORGE R BERNETT M.D.
Internal Medicine (Infectious Disease)
365 LENNON LN, SUITE 200
WALNUT CREEK, CA 94598
Contra Costa County (925) 947-2334
DEVIN T CALLISTER M.D.
Internal Medicine (Infectious Disease)
365 LENNON LN, SUITE 200
WALNUT CREEK, CA 94598
Contra Costa County (925) 947-2334
DR. BHAVNA MALIK MD
Internal Medicine (Infectious Disease)
365 LENNON LN, STE 200
WALNUT CREEK, CA 94598
Contra Costa County (925) 947-2334

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 Ronald Wasserman's NPI number?

The NPI number for Ronald Wasserman is 1346268067. It was assigned to this individual provider in the NPPES registry on July 18, 2006.

Where is Ronald Wasserman located?

Ronald Wasserman practices at 365 Lennon Ln Suite 200, Walnut Creek, CA 94598. The listed phone number is (925) 947-2334.

What is Ronald Wasserman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Ronald Wasserman enrolled in Medicare?

Yes. Ronald Wasserman is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ronald Wasserman was last updated on January 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.