J Plast Reconstr Aesthet Surg
Gender-Affirming SurgeryHematomaPenis
Dr. Alvin Walter Annen, MD
NPI1699286468PAC ID9537498225
- Part D claims, 2022
- 18
- Publications
- 9
- Hospital affiliations
- 2
- Industry payments
- $1,154
- Medical groups
- 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
Primary practice
Find Dr. Annen'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. Alvin Walter Annen is a plastic and reconstructive surgery physician in Stanford, California
Dr. Annen practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Annen's NPI, 1699286468, was assigned on October 19, 2017. Dr. Annen graduated from Oregon Health Sciences University School of Medicine in 2019. Dr. Annen holds Oregon license PG193909.
NPI and contact details
- NPI
- 1699286468NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537498225
- NPI enumeration date
- October 19, 2017
- NPI status
- Active
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alvin Walter Annen practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Annen'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
Dr. Alvin Walter Annen is affiliated with 2 sites of care and 2 medical groups
Dr. Annen's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Annen to 1 more hospital and 1 medical group, each named with a free account. Dr. Annen's employer is on file too: a hospital.
Stanford Health Care1 hospitalName with a free account1 medical groupName with a free accountEmployer: hospitalName with a free account
See all 4 affiliations for Dr. AnnenSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alvin Walter Annen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Annen practices, 2 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 |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alvin Walter Annen is one of 327 plastics and reconstructive surgery physicians in California
Plastic and reconstructive surgery is Dr. Annen's primary specialty in the NPI Registry, under taxonomy code 2086S0122X. Dr. Annen is licensed in Oregon.
Specialties and state licenses
- Plastic and reconstructive surgery, OregonPrimary
Plastics and reconstructive surgery physicians near Dr. Annen
Counts of plastics and reconstructive surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
327plastics and reconstructive surgery physicians in California
8plastics and reconstructive surgery physicians in Stanford
3plastics and reconstructive surgery physicians at Stanford Hospital at 300 Pasteur DriveSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alvin Walter Annen's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Dr. Annen's median patient age at 51, with 90% women.
Dr. Annen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women90%
- Men10%
Source: Dmand AI Patient Panel Data
Dr. Alvin Walter Annen wrote 18 Medicare Part D claims in 2022
In 2022, Dr. Annen wrote 18 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $45 in total drug cost. In 2021, CMS named 15 claims across 1 drug.
Part D claims, 202218
Drugs named by CMS1
Total drug cost$45
Dr. Annen's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 152022: 1820%
Drugs named by CMS: 1 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Alvin Walter Annen takes part in Medicare
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Alvin Walter Annen has 9 publications on record
Dmand AI links 9 papers to Dr. Annen, published from 2015 to 2025. The most frequent topics are Gender-Affirming Surgery, Bacterial Proteins and Binding Sites. Dr. Annen's most frequent co-authors are Jens Urs Berli, MD, Nick Orem Esmonde, MD, MPH and Dane Michael Barrett, MD.
Papers9
Years published2015 to 2025
Dr. Annen's papers by year, 2015 to 2025
Topics Dr. Annen writes about most
- Gender-Affirming Surgery
- Bacterial Proteins
- Binding Sites
- Penis
- Potassium Channels
- Transgender Persons
Dr. Annen's most frequent co-authors
- Jens Urs Berli, MD4 shared papers
- Nick Orem Esmonde, MD, MPH2 shared papers
- Dane Michael Barrett, MD1 shared paper
Recent publications by Dr. Annen
AJR Am J Roentgenol
Gender-Affirming SurgeryGenitaliaPenile Implantation
Laryngoscope
Nasal ObstructionNasal SeptumPatient Reported Outcome Measures
Bacterial ProteinsBinding SitesIon Channel Gating
See who Dr. Annen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Annen works with, so you can find a warm path to the right plastics and reconstructive surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alvin Walter Annen received $1,154 in industry payments from 2021 to 2025
CMS Open Payments shows 16 general payments to Dr. Annen from 7 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 64% of the total. Medical Device Business Services, Inc. paid the most, $412.
General payments to Dr. Annen by program year, 2021 to 2025
General payments to Dr. Annen by kind, 2021 to 2025
$1.2Kin total
- Food and beverage$74264%
- Travel and lodging$41236%
Companies that paid Dr. Annen the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alvin Walter Annen graduated from Oregon Health Sciences University School of Medicine
Dr. Annen graduated from Oregon Health Sciences University School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alvin Walter Annen'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians Utilization Data (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) |
| 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. Alvin Walter Annen
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. Alvin Walter Annen's NPI number?
Dr. Alvin Walter Annen's NPI number is 1699286468. It was assigned on October 19, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Alvin Walter Annen?
Dr. Alvin Walter Annen is a plastic and reconstructive surgery physician in Stanford, California. The primary specialty in the NPI Registry is Plastic and Reconstructive Surgery Physician (taxonomy code 2086S0122X).
Where does Dr. Alvin Walter Annen practice?
Dr. Annen practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Annen's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Annen to 1 hospital and 1 medical group.
What is Dr. Alvin Walter Annen's office phone number?
The practice phone on file for Dr. Annen is (650) 723-4000.
What is Dr. Alvin Walter Annen's medical license number?
Dr. Annen holds Oregon license PG193909.
Which hospitals is Dr. Alvin Walter Annen affiliated with?
Dr. Annen practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Annen to 1 more hospital.
What medical group is Dr. Alvin Walter Annen part of?
Dr. Annen is linked to Stanford Health Care. Dmand AI links Dr. Annen to 1 more medical group.
Where did Dr. Alvin Walter Annen go to medical school?
Dr. Annen graduated from Oregon Health Sciences University School of Medicine in 2019.
What drugs does Dr. Alvin Walter Annen prescribe most?
In 2022 Medicare Part D data, Dr. Annen's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Alvin Walter Annen received payments from drug or device companies?
CMS Open Payments shows $1,154 in general payments to Dr. Annen from 7 companies from 2021 to 2025. The largest total came from Medical Device Business Services, Inc.
Show 3 more questionsShow fewer questions
How long has Dr. Alvin Walter Annen been practicing?
Dr. Annen graduated from medical school in 2019, 7 years ago.
Does Dr. Alvin Walter Annen do research?
Dmand AI links 9 publications to Dr. Annen, published from 2015 to 2025.
Who does Dr. Alvin Walter Annen publish with?
Dr. Annen's most frequent co-authors are Jens Urs Berli, MD (4 shared papers), Nick Orem Esmonde, MD, MPH (2 shared papers) and Dane Michael Barrett, MD (1 shared paper).
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