Natalie J. Grigsby, AuD
- Medicare patients, 2024
- 22
- MIPS score, 2024
- 87
- Hospital affiliations
- 1
- Medical groups
- 3
- State license
- 1
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Natalie Grigsby's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Natalie J. Grigsby is an audiologist in San Mateo, California
Natalie Grigsby practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Natalie Grigsby's NPI, 1033784368, was assigned on May 20, 2021. Natalie Grigsby holds California license 3750.
- NPI
- 1033784368NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648641795
- NPI enumeration date
- May 20, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Natalie J. Grigsby practices at San Mateo Medical Center in San Mateo, California
Natalie Grigsby's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Natalie J. Grigsby is affiliated with 5 sites of care and 3 medical groups
Natalie Grigsby's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. The medical group on file is UCSF Medical Group. Dmand AI also links Natalie Grigsby to 3 more group practices and clinics, 2 medical groups and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Natalie J. Grigsby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Natalie Grigsby practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
Natalie J. Grigsby is one of 823 audiologists in California
Audiologist is Natalie Grigsby's primary specialty in the NPI Registry, under taxonomy code 231H00000X. Natalie Grigsby is licensed in California.
Specialties and state licenses
- Audiologist, CaliforniaPrimary
Audiologists near Natalie Grigsby
Counts of audiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Natalie J. Grigsby treated 22 Medicare patients in 2024, average age 73
CMS counts 22 Medicare patients who saw Natalie Grigsby in 2024. The largest group is 65 to 74, with 11 patients. 73% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Natalie Grigsby's median patient age at 63, with 64% women.
Natalie Grigsby's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Natalie Grigsby's Medicare patients, 2024
- High cholesterol73%
- High blood pressure59%
Share of Medicare patients with each condition. A patient can have several.
Natalie Grigsby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Natalie J. Grigsby scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Natalie Grigsby for performance year 2024, reported as part of a group. Natalie Grigsby accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Natalie Grigsby's MIPS scores, performance year 2024
- 87of 100Final score
- 86.8of 100Quality
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Sources for Natalie J. Grigsby's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Natalie J. Grigsby
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What is Natalie J. Grigsby's NPI number?
Natalie J. Grigsby's NPI number is 1033784368. It was assigned on May 20, 2021, and it is active in the NPI Registry.
What does Natalie J. Grigsby specialize in?
Natalie J. Grigsby is an audiologist in San Mateo, California. The primary specialty in the NPI Registry is Audiologist (taxonomy code 231H00000X).
Where does Natalie J. Grigsby practice?
Natalie Grigsby practices at 222 W 39th Ave, San Mateo, CA 94403. Natalie Grigsby's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Natalie Grigsby to 3 group practices and clinics, 2 medical groups and 1 skilled nursing facility.
What is Natalie J. Grigsby's office phone number?
The practice phone on file for Natalie Grigsby is (650) 573-2222.
What is Natalie J. Grigsby's medical license number?
Natalie Grigsby holds California license 3750.
Which hospitals is Natalie J. Grigsby affiliated with?
Natalie Grigsby practices at San Mateo Medical Center in San Mateo, California.
What medical group is Natalie J. Grigsby part of?
Natalie Grigsby is linked to UCSF Medical Group. Dmand AI links Natalie Grigsby to 2 more medical groups.
Does Natalie J. Grigsby accept Medicare?
Yes. CMS lists Natalie Grigsby as accepting Medicare assignment.
What is Natalie J. Grigsby's MIPS score?
Natalie Grigsby's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Natalie J. Grigsby see?
CMS counts 22 Medicare patients who saw Natalie Grigsby in 2024, with an average age of 73.
How long has Natalie J. Grigsby been practicing?
Natalie Grigsby graduated from medical school in 2022, 4 years ago.
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