Dr. Aaron Daniel Tward, MD, PhD
- Medicare services, 2022
- 37
- Part D claims, 2022
- 27
- Publications
- 36
- 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
Find Dr. Tward'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. Aaron Daniel Tward is a general surgeon in San Francisco, California
Dr. Tward practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Dr. Tward's NPI, 1194921205, was assigned on June 25, 2007. Dr. Tward graduated from UCSF School of Medicine in 2007. Dr. Tward's Massachusetts license number on file is BB5204071-AT61.
- NPI
- 1194921205NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305006313
- NPI enumeration date
- June 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron Daniel Tward practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Dr. Tward'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.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Dr. Aaron Daniel Tward is affiliated with 4 sites of care and 3 medical groups
Dr. Tward'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 Dr. Tward to 3 more group practices and clinics and 2 medical groups, 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. Aaron Daniel Tward's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tward practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Aaron Daniel Tward is one of 2,926 general surgeons in California
Surgery is Dr. Tward's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Tward is board certified in neurotology by the American Board of Otolaryngology - Head and Neck Surgery. Dmand AI has Dr. Tward's licenses on file in 2 states: Massachusetts and California.
Specialties and state licenses
- Surgery, MassachusettsPrimary
- California license
General surgeons near Dr. Tward
Counts of general surgeons 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. Aaron Daniel Tward billed Medicare for 37 services in 2022
CMS data shows 37 Medicare services from Dr. Tward across 2 procedure codes in 2022. Medicare paid $1,722 for them. Every service was in an office.
Dr. Tward's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1572022: 2187%
- Surgery
- 2021: 692022: 1677%
- Tests and treatments
- 2021: 532022: 0100%
Dr. Tward compared with the California median for general surgeons, 2022
- Dr. Tward
- California median
- Medicare services
- 37vs 16678% below
- Part D claims
- 27vs 3421% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Tward's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron Daniel Tward's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Tward's median patient age at 69, with 56% women.
Dr. Tward's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women56%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Aaron Daniel Tward wrote 27 Medicare Part D claims in 2022
In 2022, Dr. Tward wrote 27 Medicare Part D claims. They cover 2 drugs, with $2,212 in total drug cost. In 2021, CMS named 84 claims across 4 drugs.
Dr. Tward'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: 842022: 2768%
Drugs named by CMS: 2 in 2022, 4 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Aaron Daniel Tward 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 Dr. Tward for performance year 2024, reported as part of a group. Dr. Tward accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tward'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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Dr. Aaron Daniel Tward has 36 publications on record
Dmand AI links 36 papers to Dr. Tward, published from 2006 to 2023. 2023 was the busiest year, with 3. The most frequent topics are Aryldialkylphosphatase, Mice, Transgenic and Gene Expression Regulation, Neoplastic. Dr. Tward has published most often in Nat Commun. Dr. Tward's most frequent co-authors are Michael W. McDermott, MD, Divya Chari, MD and Kirk D. Jones, MD.
Dr. Tward's papers by year, 2011 to 2023
Topics Dr. Tward writes about most
- Aryldialkylphosphatase
- Mice, Transgenic
- Gene Expression Regulation, Neoplastic
- Cell Differentiation
- Cell Proliferation
- Liver Neoplasms, Experimental
- Mice, Knockout
- beta Catenin
Dr. Tward's most frequent co-authors
- Michael W. McDermott, MD3 shared papers
- Divya Chari, MD2 shared papers
- Kirk D. Jones, MD2 shared papers
Recent publications by Dr. Tward
Nat Cell Biol
See who Dr. Tward researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tward works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Aaron Daniel Tward received $1,659 in industry payments from 2016 to 2025
CMS Open Payments shows 18 general payments to Dr. Tward from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Cochlear Ltd paid the most, $649. It also lists 3 research payments totaling $1,013 in 2019.
General payments to Dr. Tward by program year, 2016 to 2025
Companies that paid Dr. Tward 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. Aaron Daniel Tward has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Tward.
Awards and honors for Dr. Tward
- Undated
- AAO-HNS Fellow
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Aaron Daniel Tward graduated from UCSF School of Medicine
Dr. Tward graduated from UCSF School of Medicine in 2007. Dr. Tward is a member of NHS and ACS.
- Medical school
- Board certified in neurotology
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Dr. Aaron Daniel Tward accepts plans from 8 insurance carriers
Dr. Tward is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Molina
Plan types Dr. Tward accepts, by number of carriers
- Medicare7
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Aaron Daniel Tward'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Aaron Daniel Tward
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. Aaron Daniel Tward's NPI number?
Dr. Aaron Daniel Tward's NPI number is 1194921205. It was assigned on June 25, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron Daniel Tward?
Dr. Aaron Daniel Tward is a general surgeon in San Francisco, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Aaron Daniel Tward practice?
Dr. Tward practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Tward'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 Dr. Tward to 3 group practices and clinics and 2 medical groups.
What is Dr. Aaron Daniel Tward's office phone number?
The practice phone on file for Dr. Tward is (415) 353-2733.
What is Dr. Aaron Daniel Tward's medical license number?
Dr. Tward's Massachusetts license number on file is BB5204071-AT61, one of the licenses on file in 2 states.
Which states has Dr. Aaron Daniel Tward been licensed in?
Dmand AI has state licenses on file for Dr. Tward in Massachusetts (2013 to 2014) and California (2014 to 2026).
Which hospitals is Dr. Aaron Daniel Tward affiliated with?
Dr. Tward practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Dr. Aaron Daniel Tward part of?
Dr. Tward is linked to UCSF Pediatrics. Dmand AI links Dr. Tward to 2 more medical groups.
Does Dr. Aaron Daniel Tward accept Medicare?
Yes. CMS data shows Dr. Tward billed Medicare for 37 services in 2022, and Dr. Tward accepts Medicare assignment.
What is Dr. Aaron Daniel Tward's MIPS score?
Dr. Tward's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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Is Dr. Aaron Daniel Tward board certified?
Yes. Dr. Tward is board certified in neurotology by the American Board of Otolaryngology - Head and Neck Surgery.
What services does Dr. Aaron Daniel Tward bill to Medicare?
In 2022, Dr. Tward's most billed Medicare services were office visit, established patient (99214) and surgery: ear (69210).
Where did Dr. Aaron Daniel Tward go to medical school?
Dr. Tward graduated from UCSF School of Medicine in 2007.
What drugs does Dr. Aaron Daniel Tward prescribe most?
In 2022 Medicare Part D data, Dr. Tward's most prescribed drugs by claims were Ciprofloxacin HCl and Tobramycin-Dexamethasone.
Has Dr. Aaron Daniel Tward received payments from drug or device companies?
CMS Open Payments shows $1,659 in general payments to Dr. Tward from 6 companies from 2016 to 2025. The largest total came from Cochlear Ltd.
How long has Dr. Aaron Daniel Tward been practicing?
Dr. Tward graduated from medical school in 2007, 19 years ago.
Does Dr. Aaron Daniel Tward do research?
Dmand AI links 36 publications to Dr. Tward, published from 2006 to 2023.
Who does Dr. Aaron Daniel Tward publish with?
Dr. Tward's most frequent co-authors are Michael W. McDermott, MD (3 shared papers), Divya Chari, MD (2 shared papers) and Kirk D. Jones, MD (2 shared papers).
What insurance does Dr. Aaron Daniel Tward accept?
Dr. Tward is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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