Clin Nucl Med
Adenocarcinoma, FollicularCarcinoma, PapillaryIodine Radioisotopes
Dr. Stephen K. Gerard, MD
NPI1417043191
- Medicare services, 2020
- 153
- Publications
- 10
- Industry payments
- $37
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1900 Sullivan Ave, Daly City, CA 94015
- Practice phone
- Call (650) 991-6685
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Gerard's professional email, personal email and mobile number
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Dr. Stephen K. Gerard is a nuclear medicine physician in Daly City, California
Dr. Gerard practices in Daly City, California.
Dr. Gerard's NPI, 1417043191, was assigned on October 4, 2006. Dr. Gerard graduated from Vanderbilt University School Of Medicine in 1982. Dr. Gerard holds California license G50781.
NPI and contact details
- NPI
- 1417043191NPI Registry (opens in a new tab)
- NPI enumeration date
- October 4, 2006
- NPI status
- Active
- Practice phone
- (650) 991-6685
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Stephen K. Gerard's practice address is in Daly City, California
Dr. Gerard's practice address in the NPI Registry is 1900 Sullivan Ave, Daly City, CA 94015, in San Mateo County. The practice phone is (650) 991-6685.
- NPI Registry address1900 Sullivan Ave, Daly City, CA 94015 · San Mateo CountyPhone(650) 991-6685
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Stephen K. Gerard's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerard practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Gerard's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen K. Gerard is one of 131 nuclear medicine physicians in California
Nuclear medicine is Dr. Gerard's primary specialty in the NPI Registry, under taxonomy code 207U00000X. Dr. Gerard is board certified in nuclear medicine by the American Board of Nuclear Medicine. Dr. Gerard is licensed in California.
Specialties and state licenses
- Nuclear medicine, CaliforniaPrimary
Nuclear medicine physicians near Dr. Gerard
Counts of nuclear medicine physicians 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
Dr. Stephen K. Gerard billed Medicare for 153 services in 2020
CMS data shows 153 Medicare services from Dr. Gerard across 3 procedure codes in 2020. Medicare paid $11,625 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2020153
Paid by Medicare$11,625
Procedure codes3
Dr. Gerard's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Imaging
- 2019: 4022020: 15362%
Dr. Gerard compared with the California median for nuclear medicine physicians, 2020
- Dr. Gerard
- California median
- Medicare services
- 153vs 61775% below
Medians across 97 nuclear medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Gerard's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gerard?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gerard and other nuclear medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. Stephen K. Gerard has 10 publications on record
Dmand AI links 10 papers to Dr. Gerard. The most frequent topics are Iodine Radioisotopes, Radionuclide Imaging and Thyroid Neoplasms. Dr. Gerard has published most often in Am J Clin Pathol. Dr. Gerard's most frequent co-authors are Maria N. Ansari, MD and Hung Quang Dam, MD.
Papers10
Topics Dr. Gerard writes about most
- Iodine Radioisotopes
- Radionuclide Imaging
- Thyroid Neoplasms
- Adenocarcinoma, Follicular
- Carcinoma, Papillary
- Neoplasm, Residual
- Postoperative Period
- Radiometry
Dr. Gerard's most frequent co-authors
Recent publications by Dr. Gerard
Bone MarrowBone NeoplasmsCarcinoma
J Cardiovasc Magn Reson
Contrast MediaCoronary Artery DiseaseGadolinium DTPA
Ann Emerg Med
CatharticsCitratesCitric Acid
AcetoacetatesAcidosisCreatinine
See who Dr. Gerard researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gerard works with, so you can find a warm path to the right nuclear medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen K. Gerard received $37 in industry payments from 2017 to 2020
CMS Open Payments shows 2 general payments to Dr. Gerard from 2 drug and device companies from 2017 to 2020. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $19.
General payments to Dr. Gerard by program year, 2017 to 2020
Companies that paid Dr. Gerard the most, 2017 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen K. Gerard graduated from Vanderbilt University School Of Medicine
Dr. Gerard graduated from Vanderbilt University School Of Medicine in 1982.
- Medical school
- Board certified in nuclear medicine
- Board certified in clinical pathology
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen K. Gerard'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Stephen K. Gerard
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stephen K. Gerard's NPI number?
Dr. Stephen K. Gerard's NPI number is 1417043191. It was assigned on October 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen K. Gerard?
Dr. Stephen K. Gerard is a nuclear medicine physician in Daly City, California. The primary specialty in the NPI Registry is Nuclear Medicine Physician (taxonomy code 207U00000X).
Where does Dr. Stephen K. Gerard practice?
Dr. Gerard practices at 1900 Sullivan Ave, Daly City, CA 94015.
What is Dr. Stephen K. Gerard's office phone number?
The practice phone on file for Dr. Gerard is (650) 991-6685.
What is Dr. Stephen K. Gerard's medical license number?
Dr. Gerard holds California license G50781.
Does Dr. Stephen K. Gerard accept Medicare?
Yes. CMS data shows Dr. Gerard billed Medicare for 153 services in 2020.
Is Dr. Stephen K. Gerard board certified?
Yes. Dr. Gerard is board certified in nuclear medicine by the American Board of Nuclear Medicine.
What services does Dr. Stephen K. Gerard bill to Medicare?
In 2020, Dr. Gerard's most billed Medicare services were nuclear medicine (78452), nuclear medicine (78815) and nuclear medicine (78227).
Where did Dr. Stephen K. Gerard go to medical school?
Dr. Gerard graduated from Vanderbilt University School Of Medicine in 1982.
Has Dr. Stephen K. Gerard received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Dr. Gerard from 2 companies from 2017 to 2020. The largest total came from Otsuka America Pharmaceutical, Inc.
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How long has Dr. Stephen K. Gerard been practicing?
Dr. Gerard graduated from medical school in 1982, 44 years ago.
Does Dr. Stephen K. Gerard do research?
Dmand AI links 10 publications to Dr. Gerard.
Who does Dr. Stephen K. Gerard publish with?
Dr. Gerard's most frequent co-authors are Maria N. Ansari, MD (1 shared paper) and Hung Quang Dam, MD (1 shared paper).
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