Arch Intern Med
Dr. Amy B. Witman, MD
- Medicare services, 2017
- 2,171
- Part D claims, 2024
- 1,681
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $5,446
- Practice address
- 10666 North Torrey Pines Road, La Jolla, CA 92037
- Practice phone
- Call (858) 554-3600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Witman'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.
Dr. Amy B. Witman is an internist in La Jolla, California
Dr. Witman practices at Scripps Green Hospital in La Jolla, California, part of Scripps Health.
Dr. Witman's NPI, 1679670327, was assigned on September 17, 2006. Dr. Witman graduated from MCP-Hahnemann College of Medicine in 1992. Dr. Witman's California license number on file is G77904.
- NPI
- 1679670327NPI Registry (opens in a new tab)
- NPI enumeration date
- September 17, 2006
- NPI status
- Active
- Practice phone
- (858) 554-3600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Amy B. Witman practices at Scripps Green Hospital in La Jolla, California
Dr. Witman's primary practice is Scripps Green Hospital, at 10666 North Torrey Pines Road, La Jolla, CA 92037 in San Diego County. The practice phone is (858) 554-3600.
- Scripps Green Hospital10666 North Torrey Pines Road, La Jolla, CA 92037 · San Diego CountyPhone(858) 554-3600
Source: Dmand AI Affiliation Data
Dr. Amy B. Witman is affiliated with 4 sites of care
Dr. Witman's primary practice is Scripps Green Hospital in La Jolla, California, part of Scripps Health. Dmand AI also links Dr. Witman to 1 breast imaging center, 1 physician office and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Amy B. Witman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Witman practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scripps Green Hospital | Available with a free account |
| +3 more affiliated sites | 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 Scripps Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Amy B. Witman is one of 16,751 internists in California
Internal medicine is Dr. Witman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Witman is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Witman's licenses on file in 2 states: California and New Mexico.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New Mexico license
Internists near Dr. Witman
Counts of internists 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. Amy B. Witman billed Medicare for 2,171 services in 2017
CMS data shows 2,171 Medicare services from Dr. Witman across 12 procedure codes in 2017. Medicare paid $64,115 for them. Every service was in an office.
Dr. Witman's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Drugs given in the office
- 2016: 1,8602017: 1,50019%
- Office and hospital visits
- 2016: 4352017: 35718%
- Tests and treatments
- 2016: 1702017: 1596%
- Other services
- 2016: 1822017: 15515%
Dr. Witman compared with the California median for internists, 2017
- Dr. Witman
- California median
- Medicare services
- 2,171vs 3616.0 times
- Part D claims
- 1,202vs 4212.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Witman's most billed Medicare procedure codes, 2017
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. Witman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Witman and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amy B. Witman's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Witman's median patient age at 66, with 74% women.
Dr. Witman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women74%
- Men23%
Source: Dmand AI Patient Panel Data
Dr. Amy B. Witman wrote 1,681 Medicare Part D claims in 2024
In 2024, Dr. Witman wrote 1,681 Medicare Part D claims for 132 patients. 79% of them were for generic drugs. CMS names the drug for 1,202 of them, across 45 drugs with 11 or more claims each, at $209,762 in total drug cost. In 2023, CMS named 948 claims across 32 drugs.
Dr. Witman's Part D claims by kind of drug, 2024
- Generic1,332 claims79%
- Brand-name and other349 claims21%
Dr. Witman'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 Dr. Witman's Part D claims, 2024
- Opioids2%27 of 1,681 claims
- Antibiotics3%54 of 1,681 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9482024: 1,20227%
Drugs named by CMS: 45 in 2024, 32 in 2023.
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
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Dr. Amy B. Witman has 1 publication on record
Dmand AI links 1 paper to Dr. Witman. Dr. Witman's most frequent co-author is Steven Hardin.
Dr. Witman's most frequent co-authors
Recent publications by Dr. Witman
See who Dr. Witman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Witman works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Amy B. Witman received $5,446 in industry payments from 2016 to 2025
CMS Open Payments shows 287 general payments to Dr. Witman from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $1,357.
General payments to Dr. Witman by program year, 2016 to 2025
General payments to Dr. Witman by kind, 2016 to 2025
- Food and beverage$5,40399%
- Education$431%
Companies that paid Dr. Witman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Amy B. Witman has 1 award and honors on record
Dmand AI lists 1 award for Dr. Witman, most recently Intern of The Year in 1993.
Awards and honors for Dr. Witman
- 1993
- Intern of The Year
Source: Dmand AI Professional Profile Data
Dr. Amy B. Witman graduated from MCP-Hahnemann College of Medicine
Dr. Witman graduated from MCP-Hahnemann College of Medicine in 1992.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Amy B. Witman'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 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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Amy B. Witman
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. Amy B. Witman's NPI number?
Dr. Amy B. Witman's NPI number is 1679670327. It was assigned on September 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Amy B. Witman?
Dr. Amy B. Witman is an internist in La Jolla, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Amy B. Witman practice?
Dr. Witman practices at 10666 North Torrey Pines Road, La Jolla, CA 92037. Dr. Witman's primary practice is Scripps Green Hospital in La Jolla, California, part of Scripps Health. Dmand AI also links Dr. Witman to 1 breast imaging center, 1 physician office and 1 urgent care center.
What is Dr. Amy B. Witman's office phone number?
The practice phone on file for Dr. Witman is (858) 554-3600.
What is Dr. Amy B. Witman's medical license number?
Dr. Witman's California license number on file is G77904, one of the licenses on file in 2 states.
Which states has Dr. Amy B. Witman been licensed in?
Dmand AI has state licenses on file for Dr. Witman in California (1993 to 2025) and New Mexico (1995 to 1999).
Which hospitals is Dr. Amy B. Witman affiliated with?
Dr. Witman practices at Scripps Green Hospital in La Jolla, California.
Does Dr. Amy B. Witman accept Medicare?
Yes. CMS data shows Dr. Witman billed Medicare for 2,171 services in 2017.
Is Dr. Amy B. Witman board certified?
Yes. Dr. Witman is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Amy B. Witman bill to Medicare?
In 2017, Dr. Witman's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and office visit, established patient (99213).
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Where did Dr. Amy B. Witman go to medical school?
Dr. Witman graduated from MCP-Hahnemann College of Medicine in 1992.
What drugs does Dr. Amy B. Witman prescribe most?
In 2024 Medicare Part D data, Dr. Witman's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Amy B. Witman received payments from drug or device companies?
CMS Open Payments shows $5,446 in general payments to Dr. Witman from 39 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Amy B. Witman been practicing?
Dr. Witman graduated from medical school in 1992, 34 years ago.
Does Dr. Amy B. Witman do research?
Dmand AI links 1 publication to Dr. Witman.
Who does Dr. Amy B. Witman publish with?
Dr. Witman's most frequent co-authors are Steven Hardin (1 shared paper).
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