Susan A. Diaz, NP

  • San Francisco, CA
  • Pediatric nurse practitioner
NPI1962650754PAC ID5395975502
Medicare services, 2024
478
Medicare patients, 2024
70
Part D claims, 2024
583
MIPS score, 2024
87
Hospital affiliations
1
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 6 affiliations

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Susan A. Diaz is a pediatric nurse practitioner in San Francisco, California

Susan Diaz practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Susan Diaz's NPI, 1962650754, was assigned on September 4, 2008. Susan Diaz holds California license 495729.

NPI and contact details
Medicare PAC ID
5395975502
NPI enumeration date
September 4, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Susan A. Diaz practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Susan Diaz's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Susan A. Diaz is affiliated with 3 sites of care and 3 medical groups

Susan Diaz's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Susan Diaz to 2 more group practices and clinics and 2 medical groups, each named with a free account.

See all 6 affiliations for Susan Diaz

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Susan A. Diaz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Susan Diaz practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Susan A. Diaz is one of 792 pediatric nurse practitioners in California

Nurse practitioner is Susan Diaz's primary specialty in the NPI Registry, under taxonomy code 363LP0200X. The record also lists pediatrics. Susan Diaz is licensed in California.

Specialties and state licenses

  • Pediatric nurse practitioner, CaliforniaPrimaryLicense 495729 · taxonomy 363LP0200X

Pediatric nurse practitioners near Susan Diaz

Counts of pediatric 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

Susan A. Diaz billed Medicare for 478 services in 2024

CMS data shows 478 Medicare services from Susan Diaz across 5 procedure codes in 2024, for 70 Medicare patients. Medicare paid $39,678 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024478
Medicare patients70
Paid by Medicare$39,678
Procedure codes5

Susan Diaz's Medicare services by type, 2024

  1. Office and hospital visits386
  2. Other services92

Susan Diaz compared with the California median for pediatric nurse practitioners, 2024

  • Susan Diaz
  • California median
Part D claims
359vs 399.2 times

Medians across 26 pediatric nurse practitioners in California with Dmand AI profiles that report each measure.

Susan Diaz's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Susan Diaz

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Susan A. Diaz treated 70 Medicare patients in 2024, average age 54

CMS counts 70 Medicare patients who saw Susan Diaz in 2024. The largest group is under 65, with 46 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 59% are also on Medicaid. Their average risk score is 8.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Susan Diaz's median patient age at 58, with 45% women.

Medicare patients, 202470
Average age54
Average risk score8.70
Also on Medicaid59%

Susan Diaz's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Susan Diaz's Medicare patients by sex, 2024

  • Women3347%
  • Men3753%

Chronic conditions among Susan Diaz's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes61%
  5. Ischemic heart disease50%
  6. Heart failure31%
  7. Anxiety21%
  8. Mood disorders20%

Share of Medicare patients with each condition. A patient can have several.

Susan Diaz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women45%
  • Men55%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Susan A. Diaz wrote 583 Medicare Part D claims in 2024

In 2024, Susan Diaz wrote 583 Medicare Part D claims for 84 patients. 79% of them were for generic drugs. CMS names the drug for 359 of them, across 15 drugs with 11 or more claims each, at $54,506 in total drug cost.

Part D claims, 2024583
Drugs named by CMS15
Total drug cost$54,506
Part D patients84

Susan Diaz's Part D claims by kind of drug, 2024

  • Generic462 claims79%
  • Brand-name and other121 claims21%

Susan Diaz's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Susan Diaz's Part D claims, 2024

  • Antibiotics7%42 of 583 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Susan Diaz

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Susan A. Diaz 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 Susan Diaz for performance year 2024, reported as part of a group. Susan Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Susan Diaz as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Susan Diaz'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

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Susan A. Diaz received $335 in industry payments from 2024 to 2025

CMS Open Payments shows 4 general payments to Susan Diaz from 4 drug and device companies from 2024 to 2025. Education make up the largest share, 60% of the total. Relypsa, Inc. paid the most, $119.

General payments to Susan Diaz by program year, 2024 to 2025

General payments to Susan Diaz by kind, 2024 to 2025

$335in total
  • Education$20060%
  • Food and beverage$13540%

Companies that paid Susan Diaz the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Susan Diaz

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Susan A. Diaz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Susan A. Diaz

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Susan A. Diaz's NPI number?

Susan A. Diaz's NPI number is 1962650754. It was assigned on September 4, 2008, and it is active in the NPI Registry.

What does Susan A. Diaz specialize in?

Susan A. Diaz is a pediatric nurse practitioner in San Francisco, California. The primary specialty in the NPI Registry is Pediatric Nurse Practitioner (taxonomy code 363LP0200X).

Where does Susan A. Diaz practice?

Susan Diaz practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Susan Diaz's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Susan Diaz to 2 group practices and clinics and 2 medical groups.

What is Susan A. Diaz's office phone number?

The practice phone on file for Susan Diaz is (415) 353-2733.

What is Susan A. Diaz's medical license number?

Susan Diaz holds California license 495729.

Which hospitals is Susan A. Diaz affiliated with?

Susan Diaz practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.

What medical group is Susan A. Diaz part of?

Susan Diaz is linked to UCSF Pediatrics. Dmand AI links Susan Diaz to 2 more medical groups.

Does Susan A. Diaz accept Medicare?

Yes. CMS data shows Susan Diaz billed Medicare for 478 services in 2024, and Susan Diaz accepts Medicare assignment.

Does Susan A. Diaz offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Susan Diaz as offering telehealth services.

What is Susan A. Diaz's MIPS score?

Susan Diaz's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 5 more questionsShow fewer questions

How many Medicare patients does Susan A. Diaz see?

CMS counts 70 Medicare patients who saw Susan Diaz in 2024, with an average age of 54.

What services does Susan A. Diaz bill to Medicare?

In 2024, Susan Diaz's most billed Medicare services were office visit, established patient (99215), medicare service (G2212) and care management and other visits (99442).

What drugs does Susan A. Diaz prescribe most?

In 2024 Medicare Part D data, Susan Diaz's most prescribed drugs by claims were Prednisone, Nifedipine ER and Cinacalcet HCl.

Has Susan A. Diaz received payments from drug or device companies?

CMS Open Payments shows $335 in general payments to Susan Diaz from 4 companies from 2024 to 2025. The largest total came from Relypsa, Inc.

How long has Susan A. Diaz been practicing?

Susan Diaz graduated from medical school in 1999, 27 years ago.

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