Dr. Peter Adam Than, MD

  • San Diego, CA
  • General surgeon
NPI1972892461PAC ID8527391424
Medicare services, 2024
170
Medicare patients, 2024
66
Part D claims, 2024
39
Publications
17
MIPS score, 2024
91
Practice address
200 W Arbor Dr, San Diego, CA 92103
Practice phone
Call (619) 543-6222
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSD Hillcrest Medical Center

San Diego, California

See all 4 affiliations

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Dr. Peter Adam Than is a general surgeon in San Diego, California

Dr. Than practices at UCSD Hillcrest Medical Center in San Diego, California.

Dr. Than's NPI, 1972892461, was assigned on April 5, 2011. Dr. Than graduated from The Warren Alpert Medical School of Brown University in 2011. Dr. Than holds California license A122991.

NPI and contact details
Medicare PAC ID
8527391424
NPI enumeration date
April 5, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(619) 543-6222
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
41
Medical school graduation
2011

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

Dr. Peter Adam Than practices at UCSD Hillcrest Medical Center in San Diego, California

Dr. Than's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.

  • UCSD Hillcrest Medical Center
    200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Peter Adam Than is affiliated with 2 sites of care and 2 medical groups

Dr. Than's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Than is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Than to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Than

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Peter Adam Than's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Than practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSD Hillcrest Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Peter Adam Than is one of 2,926 general surgeons in California

Surgery is Dr. Than's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Than is board certified in surgery by the American Board of Surgery. Dr. Than is licensed in California.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A122991 · 2012 to 2026 · taxonomy 208600000X

Clinical focus

Dmand AI lists blood vessel access for dialysis and kidney transplant among the conditions Dr. Than treats.

General surgeons near Dr. Than

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. Peter Adam Than billed Medicare for 170 services in 2024

CMS data shows 170 Medicare services from Dr. Than across 6 procedure codes in 2024, for 66 Medicare patients. Medicare paid $36,519 for them.

Medicare services, 2024170
Medicare patients66
Paid by Medicare$36,519
Procedure codes6

Dr. Than's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 122024: 1461117%
Surgery
2023: 612024: 2461%

Where Dr. Than's Medicare services took place, 2024

  • In an office116%
  • In a facility15994%

Dr. Than compared with the California median for general surgeons, 2024

  • Dr. Than
  • California median
Medicare services
170vs 166Close to median
Medicare patients
66vs 12145% below
Part D claims
12vs 3465% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Than's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Than

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Peter Adam Than treated 66 Medicare patients in 2024, average age 60

CMS counts 66 Medicare patients who saw Dr. Than in 2024. The largest group is under 65, with 33 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 58% are also on Medicaid. Their average risk score is 7.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Than's median patient age at 57, with 48% women.

Medicare patients, 202466
Average age60
Average risk score7.29
Also on Medicaid58%

Dr. Than's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Than's Medicare patients by sex, 2024

  • Women1929%
  • Men4771%

Chronic conditions among Dr. Than's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. Diabetes75%
  3. High blood pressure75%
  4. High cholesterol75%
  5. Ischemic heart disease50%
  6. Heart failure45%
  7. Mood disorders30%
  8. Arthritis29%

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

Dr. Than's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women48%
  • Men51%

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

Dr. Peter Adam Than wrote 39 Medicare Part D claims in 2024

In 2024, Dr. Than wrote 39 Medicare Part D claims. 90% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $77 in total drug cost. In 2019, CMS named 17 claims across 1 drug.

Part D claims, 202439
Drugs named by CMS1
Total drug cost$77

Dr. Than's Part D claims by kind of drug, 2024

  • Generic35 claims90%
  • Brand-name and other4 claims10%

Dr. Than's most prescribed drugs by claims, 2020

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, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 172020: 1229%

Drugs named by CMS: 1 in 2020, 1 in 2019.

See all prescribing by Dr. Than

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

Dr. Peter Adam Than 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 Dr. Than for performance year 2024, reported as part of a group. Dr. Than accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Than's MIPS scores, performance year 2024

  • 91of 100Final score
  • 84.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 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. Peter Adam Than has 17 publications on record

Dmand AI links 17 papers to Dr. Than, published from 2019 to 2025. 2024 was the busiest year, with 3. The most frequent topics are Tissue Donors, Kidney Transplantation and Graft Survival. Dr. Than has published most often in Plast Reconstr Surg. Dr. Than's most frequent co-authors are Naeem Markarm Goussous, MD, Richard Victor Perez, MD and Junichiro Sageshima, MD.

Papers17
Years published2019 to 2025

Dr. Than's papers by year, 2019 to 2025

Topics Dr. Than writes about most

  • Tissue Donors
  • Kidney Transplantation
  • Graft Survival
  • Kidney
  • Tissue and Organ Procurement
  • Kidney Failure, Chronic
  • Mechanotransduction, Cellular
  • Signal Transduction

Dr. Than's most frequent co-authors

Recent publications by Dr. Than

See all 17 publications and co-authors

See who Dr. Than researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Than works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Peter Adam Than received $2,595 in industry payments from 2022 to 2025

CMS Open Payments shows 3 general payments to Dr. Than from 3 drug and device companies from 2022 to 2025. Travel and lodging make up the largest share, 97% of the total. TransMedics, Inc. paid the most, $2,505.

General payments to Dr. Than by program year, 2022 to 2025

General payments to Dr. Than by kind, 2022 to 2025

$2.6Kin total
  • Travel and lodging$2,50597%
  • Education$683%
  • Food and beverage$221%

Companies that paid Dr. Than the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Than

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Peter Adam Than has 1 award and honors on record

Dmand AI lists 1 award for Dr. Than, most recently Resident Research Fellowship in 2013.

Awards and honors for Dr. Than

  1. 2013
    • Resident Research Fellowship

Source: Dmand AI Professional Profile Data

Dr. Peter Adam Than graduated from The Warren Alpert Medical School of Brown University

Dr. Than graduated from The Warren Alpert Medical School of Brown University in 2011. Dr. Than is a member of ACS.

  1. Medical schoolThe Warren Alpert Medical School of Brown University
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Peter Adam Than accepts plans from 15 insurance carriers

Dr. Than is in network with 15 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Than accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare7
  4. EPO3
  5. POS2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Peter Adam Than'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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 Dr. Peter Adam Than

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. Peter Adam Than's NPI number?

Dr. Peter Adam Than's NPI number is 1972892461. It was assigned on April 5, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Peter Adam Than?

Dr. Peter Adam Than is a general surgeon in San Diego, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Peter Adam Than practice?

Dr. Than practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Than's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dmand AI also links Dr. Than to 1 medical group.

What is Dr. Peter Adam Than's office phone number?

The practice phone on file for Dr. Than is (619) 543-6222.

What is Dr. Peter Adam Than's medical license number?

Dr. Than holds California license A122991.

Which hospitals is Dr. Peter Adam Than affiliated with?

Dr. Than is affiliated with Hillcrest Medical Center.

What medical group is Dr. Peter Adam Than part of?

Dr. Than is linked to UC San Diego Health. Dmand AI links Dr. Than to 1 more medical group.

Does Dr. Peter Adam Than accept Medicare?

Yes. CMS data shows Dr. Than billed Medicare for 170 services in 2024, and Dr. Than accepts Medicare assignment.

What is Dr. Peter Adam Than's MIPS score?

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

How many Medicare patients does Dr. Peter Adam Than see?

CMS counts 66 Medicare patients who saw Dr. Than in 2024, with an average age of 60.

Show 9 more questionsShow fewer questions

Is Dr. Peter Adam Than board certified?

Yes. Dr. Than is board certified in surgery by the American Board of Surgery.

What services does Dr. Peter Adam Than bill to Medicare?

In 2024, Dr. Than's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99222).

Where did Dr. Peter Adam Than go to medical school?

Dr. Than graduated from The Warren Alpert Medical School of Brown University in 2011.

What drugs does Dr. Peter Adam Than prescribe most?

In 2020 Medicare Part D data, Dr. Than's most prescribed drugs by claims were Hydrocodone-Acetaminophen.

Has Dr. Peter Adam Than received payments from drug or device companies?

CMS Open Payments shows $2,595 in general payments to Dr. Than from 3 companies from 2022 to 2025. The largest total came from TransMedics, Inc.

How long has Dr. Peter Adam Than been practicing?

Dr. Than graduated from medical school in 2011, 15 years ago.

Does Dr. Peter Adam Than do research?

Dmand AI links 17 publications to Dr. Than, published from 2019 to 2025.

Who does Dr. Peter Adam Than publish with?

Dr. Than's most frequent co-authors are Naeem Markarm Goussous, MD (8 shared papers), Richard Victor Perez, MD (8 shared papers) and Junichiro Sageshima, MD (8 shared papers).

What insurance does Dr. Peter Adam Than accept?

Dr. Than is in network with 15 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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