DR. ANNE MARIA GRZEGORCZYK M.D.
NPI 1720434004
Internal Medicine - Pulmonary Disease in Walnut Creek, CA

Active since May 05, 2016PECOS EnrolledAccepts Medicare Assignment
99.92/100
CMS Quality Rating
2700 YGNACIO VALLEY RD STE 100, WALNUT CREEK, CA 94598(925) 939-3050 Get Directions Write a Review

NPPES record last updated: April 22, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Anne Maria Grzegorczyk M.d. NPPES

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

DR. ANNE MARIA GRZEGORCZYK M.D. (NPI 1720434004) is an individual pulmonary disease provider in Walnut Creek, California, licensed in California (A154982) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1720434004
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameDR. ANNE MARIA GRZEGORCZYKCredential: M.D.
Location Address2700 YGNACIO VALLEY RD STE 100Walnut Creek, CA 94598-3462
Mailing Address2700 Ygnacio Valley Rd Ste 100Walnut Creek, CA 94598-3462 · (925) 939-3050
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMay 5, 2016
Last NPPES UpdateApril 22, 2024
NPPES CertifiedApril 22, 2024
NPI 1720434004 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in CA · A154982
Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A154982 (CA)
2700 YGNACIO VALLEY RD STE 100, Walnut Creek, CA 94598

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. Anne Maria Grzegorczyk 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 ID4284062324
PECOS Enrollment IDI20200324000186
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 21

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.

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.
380 services202 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.
325 services170 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.
155 services111 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
77 services54 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.
74 services38 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.
59 services39 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.

99.92/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Promoting Interoperability100
Improvement Activities40
Cost75.5

Reported Quality Measures

Colorectal Cancer Screening
64%44 patients3/55-star benchmark: 88%
Controlling High Blood Pressure
64%28 patients3/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
95%770 patients4/55-star benchmark: 100%
e-Prescribing
100%109 patients5/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
58%284 patients3/55-star benchmark: 100%
HIV Screening
25%44 patients2/55-star benchmark: 60%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
43%336 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
43%274 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 87% · 62 patients
84%62 patients
Provide Patients Electronic Access to Their Health Information
100%64 patients5/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
84%38 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 11

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

Internal Medicine (Pulmonary Disease)
2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598
Internal Medicine (Pulmonary Disease)
2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598
Internal Medicine (Pulmonary Disease)
2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598
Family Medicine
2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598
Internal Medicine (Pulmonary Disease)
2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598
Internal Medicine (Pulmonary Disease)
2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598
Internal Medicine (Pulmonary Disease)
2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598
Internal Medicine (Pulmonary Disease)
2700 YGNACIO VALLEY RD STE 100
WALNUT CREEK, CA 94598

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 Anne Grzegorczyk's NPI number?

The NPI number for Anne Grzegorczyk is 1720434004. It was assigned to this individual provider in the NPPES registry on May 5, 2016.

Where is Anne Grzegorczyk located?

Anne Grzegorczyk practices at 2700 Ygnacio Valley Rd Ste 100, Walnut Creek, CA 94598. The listed phone number is (925) 939-3050.

What is Anne Grzegorczyk's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Anne Grzegorczyk enrolled in Medicare?

Yes. Anne Grzegorczyk 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.

When was this NPI record last updated?

The NPPES record for Anne Grzegorczyk was last updated on April 22, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.