Mary L. Petrofsky, NP
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 11
- MIPS score, 2024
- 100
- Hospital affiliations
- 5
- Industry payments
- $220
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mary Petrofsky'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.
Mary L. Petrofsky is an acute care nurse practitioner in Stanford, California
Mary Petrofsky practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Mary Petrofsky's NPI, 1013220359, was assigned on July 15, 2010. Mary Petrofsky holds California license NP 18337.
- NPI
- 1013220359NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608065040
- NPI enumeration date
- July 15, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary L. Petrofsky practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Mary Petrofsky's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Mary L. Petrofsky is affiliated with 5 sites of care and 4 medical groups
Mary Petrofsky's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Mary Petrofsky is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is UCSF Medical Group. Dmand AI also links Mary Petrofsky to 3 more hospitals and 3 medical groups, each named with a free account. Mary Petrofsky's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary L. Petrofsky's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Petrofsky practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary L. Petrofsky is one of 1,440 acute care nurse practitioners in California
Acute care is Mary Petrofsky's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Mary Petrofsky is licensed in California.
Specialties and state licenses
- Acute care nurse practitioner, CaliforniaPrimary
Acute care nurse practitioners near Mary Petrofsky
Counts of acute care nurse practitioners 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
Mary L. Petrofsky treated 17 Medicare patients in 2024, average age 71
CMS counts 17 Medicare patients who saw Mary Petrofsky in 2024. 71% of them have high blood pressure, and 65% have high cholesterol. Their average risk score is 2.78, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Petrofsky's median patient age at 70, with 56% women.
Chronic conditions among Mary Petrofsky's Medicare patients, 2024
- High blood pressure71%
- High cholesterol65%
Share of Medicare patients with each condition. A patient can have several.
Mary Petrofsky's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women56%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary L. Petrofsky wrote 11 Medicare Part D claims in 2024
In 2024, Mary Petrofsky wrote 11 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mary L. Petrofsky scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Mary Petrofsky for performance year 2024, reported as part of a group. Mary Petrofsky accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mary Petrofsky as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Mary Petrofsky's MIPS scores, performance year 2024
- 100of 100Final score
- 95of 100Quality
- 40of 100Improvement Activities
- 81of 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
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Mary L. Petrofsky received $220 in industry payments in 2025
CMS Open Payments shows 2 general payments to Mary Petrofsky from 1 drug or device company in 2025. Food and beverage make up the largest share, 56% of the total. Gilead Sciences, Inc. paid the most, $220.
General payments to Mary Petrofsky by kind, 2025 to 2025
- Food and beverage$12456%
- Education$9644%
Companies that paid Mary Petrofsky the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mary L. Petrofsky'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) |
| Part D prescribing | Medicare Part D Prescribers - 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) |
| Industry payments | Open Payments (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 Mary L. Petrofsky
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary L. Petrofsky's NPI number?
Mary L. Petrofsky's NPI number is 1013220359. It was assigned on July 15, 2010, and it is active in the NPI Registry.
What does Mary L. Petrofsky specialize in?
Mary L. Petrofsky is an acute care nurse practitioner in Stanford, California. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Mary L. Petrofsky practice?
Mary Petrofsky practices at 300 Pasteur Drive, Stanford, CA 94305. Mary Petrofsky's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Mary Petrofsky to 3 hospitals and 3 medical groups.
What is Mary L. Petrofsky's office phone number?
The practice phone on file for Mary Petrofsky is (650) 723-4000.
What is Mary L. Petrofsky's medical license number?
Mary Petrofsky holds California license NP 18337.
Which hospitals is Mary L. Petrofsky affiliated with?
Mary Petrofsky practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Mary Petrofsky is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Mary Petrofsky to 3 more hospitals.
What medical group is Mary L. Petrofsky part of?
Mary Petrofsky is linked to UCSF Medical Group. Dmand AI links Mary Petrofsky to 3 more medical groups.
Does Mary L. Petrofsky accept Medicare?
Yes. CMS lists Mary Petrofsky as accepting Medicare assignment.
Does Mary L. Petrofsky offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Mary Petrofsky as offering telehealth services.
What is Mary L. Petrofsky's MIPS score?
Mary Petrofsky's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
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How many Medicare patients does Mary L. Petrofsky see?
CMS counts 17 Medicare patients who saw Mary Petrofsky in 2024, with an average age of 71.
Has Mary L. Petrofsky received payments from drug or device companies?
CMS Open Payments shows $220 in general payments to Mary Petrofsky from 1 company from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Mary L. Petrofsky been practicing?
Mary Petrofsky graduated from medical school in 2008, 18 years ago.
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