Spencer Jonathan Garrison, CRNA, RN

  • Stanford, CA
  • Nurse anesthetist
NPI1649787326PAC ID2264780287
Medicare patients, 2024
171
MIPS score, 2024
91
Hospital affiliations
4
Medical groups
3
State licenses
2
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
Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 7 affiliations

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Spencer Jonathan Garrison is a nurse anesthetist in Stanford, California

Spencer Garrison practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Spencer Garrison's NPI, 1649787326, was assigned on January 4, 2018. Spencer Garrison holds California license 95001417.

NPI and contact details
Medicare PAC ID
2264780287
NPI enumeration date
January 4, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
38
Medical school graduation
2014

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

Spencer Jonathan Garrison practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Spencer Garrison'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.

Source: Dmand AI Affiliation Data

Spencer Jonathan Garrison is affiliated with 4 sites of care and 3 medical groups

Spencer Garrison's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Spencer Garrison is also affiliated with Tisch Hospital. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Spencer Garrison to 2 more hospitals and 2 medical groups, each named with a free account. Spencer Garrison's employer is on file too: a hospital.

See all 7 affiliations for Spencer Garrison

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

Dmand AI tracks the EHR system at Spencer Jonathan Garrison's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Spencer Garrison practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Spencer Garrison practices

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Spencer Jonathan Garrison is one of 2,410 nurse anesthetists in California

Nurse anesthetist, certified registered is Spencer Garrison's primary specialty in the NPI Registry, under taxonomy code 367500000X. Dmand AI has Spencer Garrison's licenses on file in 2 states: California and Florida.

Specialties and state licenses

  • Certified registered nurse anesthetist, CaliforniaPrimaryLicense 95001417 · taxonomy 367500000X
  • Florida licenseLicense 117527

Nurse anesthetists near Spencer Garrison

Counts of nurse anesthetists 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

Spencer Jonathan Garrison treated 171 Medicare patients in 2024, average age 74

CMS counts 171 Medicare patients who saw Spencer Garrison in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Spencer Garrison's median patient age at 56, with 75% women.

Medicare patients, 2024171
Average age74
Average risk score1.87
Also on Medicaid21%

Spencer Garrison's Medicare patients by age, 2024

Spencer Garrison's Medicare patients by sex, 2024

  • Women9053%
  • Men8147%

Chronic conditions among Spencer Garrison's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis54%
  4. Ischemic heart disease37%
  5. Diabetes30%
  6. Mood disorders27%
  7. Atrial fibrillation26%
  8. Cancer24%

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

Spencer Garrison's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women75%
  • Men25%

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

Spencer Jonathan Garrison scored 91 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Spencer Garrison for performance year 2024, reported as part of a group. Spencer Garrison accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Spencer Garrison's MIPS scores, performance year 2024

  • 91of 100Final score
  • 91.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 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 Spencer Jonathan Garrison'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 patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)
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 Spencer Jonathan Garrison

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

What is Spencer Jonathan Garrison's NPI number?

Spencer Jonathan Garrison's NPI number is 1649787326. It was assigned on January 4, 2018, and it is active in the NPI Registry.

What does Spencer Jonathan Garrison specialize in?

Spencer Jonathan Garrison is a nurse anesthetist in Stanford, California. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).

Where does Spencer Jonathan Garrison practice?

Spencer Garrison practices at 300 Pasteur Drive, Stanford, CA 94305. Spencer Garrison's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Spencer Garrison to 2 hospitals and 2 medical groups.

What is Spencer Jonathan Garrison's office phone number?

The practice phone on file for Spencer Garrison is (650) 723-4000.

What is Spencer Jonathan Garrison's medical license number?

Spencer Garrison holds California license 95001417, one of the licenses on file in 2 states.

Which states has Spencer Jonathan Garrison been licensed in?

Dmand AI has state licenses on file for Spencer Garrison in California and Florida.

Which hospitals is Spencer Jonathan Garrison affiliated with?

Spencer Garrison practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Spencer Garrison is also affiliated with Tisch Hospital. Dmand AI links Spencer Garrison to 2 more hospitals.

What medical group is Spencer Jonathan Garrison part of?

Spencer Garrison is linked to NYU Langone Orthopedic Surgery Associates. Dmand AI links Spencer Garrison to 2 more medical groups.

Does Spencer Jonathan Garrison accept Medicare?

Yes. CMS lists Spencer Garrison as accepting Medicare assignment.

What is Spencer Jonathan Garrison's MIPS score?

Spencer Garrison's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.

How many Medicare patients does Spencer Jonathan Garrison see?

CMS counts 171 Medicare patients who saw Spencer Garrison in 2024, with an average age of 74.

How long has Spencer Jonathan Garrison been practicing?

Spencer Garrison graduated from medical school in 2014, 12 years ago.

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