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DR. DOLORES KATARZYNA MUSCO M.D.
NPI 1679601611
Family Medicine in San Ramon, CA

Active since March 01, 2007PECOS EnrolledAccepts Medicare Assignment
87.26/100
CMS Quality Rating
12677 ALCOSTA BLVD STE 175, SAN RAMON, CA 94583(925) 856-5668(925) 856-4020 Get Directions Write a Review

NPPES record last updated: May 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 14, 2025, Mar 3, 2025, May 18, 2021 (3 updates tracked since 2021).

About Dr. Dolores Katarzyna Musco M.d. NPPES

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

DR. DOLORES KATARZYNA MUSCO M.D. (NPI 1679601611) is an individual family medicine provider in San Ramon, California, licensed in California (A77723) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (2000).

NPPES Registry Identity

NPI1679601611
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DOLORES KATARZYNA MUSCOCredential: M.D.
Location Address12677 ALCOSTA BLVD STE 175San Ramon, CA 94583-4423
Mailing Address12677 Alcosta Blvd Ste 175San Ramon, CA 94583-4423 · (925) 856-5668 · Fax (925) 856-4020
Phone(925) 856-5668
Fax(925) 856-4020
Sole ProprietorNo
Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 2000
Enumeration DateMarch 1, 2007
Last NPPES UpdateMay 14, 20253 updates tracked since enumeration
NPPES CertifiedMay 14, 2025
✔ NPI 1679601611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A77723
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
12677 ALCOSTA BLVD STE 175, San Ramon, CA 94583
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Other Identifiers 3

Other00A777230CA · Blue Shield
Other201448585CA · Blue Cross
Other7722555CA · Aetna

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

Dr. Dolores Katarzyna Musco 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 ID8022075647
PECOS Enrollment IDI20041215000824
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 Dolores Musco reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Bass Medical Group
8.7 mi
Orthopaedic Surgery
19842 LAKE CHABOT RD
Castro Valley, CA 94546
  • Reassigned Medicare billing, California enrollment
  • 347 clinicians in this Medicare group
NPI 1093181646 (510) 886-8844

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 10

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 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.
256 services124 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.
141 services104 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
82 services73 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
82 services82 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.
29 services13 patients
Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous G0328
A fecal occult blood test is a screening tool for colorectal cancer. It checks for tiny amounts of blood in your stool that can't be seen with the naked eye. The immunoassay method can test 1-3 samples at once. This helps detect cancer early, when treatment is most effective.
26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94583 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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.

87.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.97
Promoting Interoperability85.91
Improvement Activities40

Reported Quality Measures

Appropriate Testing for Pharyngitis
24%59 patients1/55-star benchmark: 100%
Appropriate Treatment for Upper Respiratory Infection (URI)
47%128 patients2/55-star benchmark: 100%
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.
11%432 patients
Breast Cancer Screening
87%1,079 patients4/55-star benchmark: 93%
Cervical Cancer Screening
78%1,663 patients4/55-star benchmark: 98%
Chlamydia Screening for Women
50%184 patients
Colorectal Cancer Screening
72%1,851 patients4/55-star benchmark: 88%
Controlling High Blood Pressure
63%713 patients3/55-star benchmark: 91%
Diabetes: Eye Exam
28%137 patients2/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
21%137 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
60%6,491 patients2/55-star benchmark: 100%
e-Prescribing
96%727 patients3/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
50%591 patients3/55-star benchmark: 100%
HIV Screening
24%2,522 patients2/55-star benchmark: 60%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
51%2,848 patients3/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
25%2,260 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 86% · 2,012 patients
Patients screened: 88% · 2,012 patients
26%50 patients2/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
98%166 patients4/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
64%745 patients3/55-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 2

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

DR. MARK PETER MUSCO M.D.
Family Medicine
12677 ALCOSTA BLVD STE 175
SAN RAMON, CA 94583
Contra Costa County (925) 856-5668
MR. TIMOTHY LUKE SAYLES PA-C
Physician Assistant (Medical)
12677 ALCOSTA BLVD STE 175
SAN RAMON, CA 94583
Contra Costa County (925) 856-5668

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 Dolores Musco's NPI number?

The NPI number for Dolores Musco is 1679601611. It was assigned to this individual provider in the NPPES registry on March 1, 2007.

Where is Dolores Musco located?

Dolores Musco practices at 12677 Alcosta Blvd Ste 175, San Ramon, CA 94583. The listed phone number is (925) 856-5668.

What is Dolores Musco's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Dolores Musco enrolled in Medicare?

Yes. Dolores Musco 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 Dolores Musco's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dolores Musco reassigns Medicare benefits to Bass Medical Group (Castro Valley, CA). 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 Dolores Musco's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Dolores Musco was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.