Dr. Adam C. Ring, MD

  • Richmond, CA
  • Vascular surgeon
NPI1205102217PAC ID0042594863
Medicare services, 2020
393
Medicare patients, 2024
14
Part D claims, 2024
63
Publications
3
Hospital affiliations
1
Practice address
901 Nevin Ave, Richmond, CA 94801
Practice phone
Call (510) 307-1555
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Richmond Medical Center

Richmond, California

See all 5 affiliations

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Dr. Adam C. Ring is a vascular surgeon in Richmond, California

Dr. Ring practices at Richmond Medical Center in Richmond, California.

Dr. Ring's NPI, 1205102217, was assigned on March 25, 2012. Dr. Ring graduated from University Of Cincinnati College Of Medicine in 2012. Dr. Ring's Pennsylvania license number on file is MT201544.

NPI and contact details
Medicare PAC ID
0042594863
NPI enumeration date
March 25, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 307-1555
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. Adam C. Ring practices at Richmond Medical Center in Richmond, California

Dr. Ring's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.

  • Richmond Medical Center
    901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555

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

Dr. Adam C. Ring is affiliated with 2 sites of care and 3 medical groups

Dr. Ring's primary practice is Richmond Medical Center in Richmond, California. Dr. Ring is also affiliated with Penn State Health Milton S. Hershey Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Ring to 2 more medical groups, each named with a free account.

See all 5 affiliations for Dr. Ring

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. Adam C. Ring's practice

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

EHR by site
SiteEHR vendor and product
Richmond Medical CenterAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Adam C. Ring is one of 532 vascular surgeons in California

Vascular surgery is Dr. Ring's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Ring is board certified in vascular surgery by the American Board of Surgery. Dmand AI has Dr. Ring's licenses on file in 4 states: Pennsylvania, California, Missouri and Illinois.

Specialties and state licenses

  • Vascular surgery, PennsylvaniaPrimaryLicense MT201544 · 2012 to 2017 · taxonomy 2086S0129X
  • California license2020 to 2026
  • Missouri license2017 to 2021
  • Illinois license2017 to 2020

Vascular surgeons near Dr. Ring

Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.

532vascular surgeons in California
7vascular surgeons in Richmond

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Adam C. Ring billed Medicare for 393 services in 2020

CMS data shows 393 Medicare services from Dr. Ring across 10 procedure codes in 2020, for 14 Medicare patients. Medicare paid $8,875 for them.

Medicare services, 2020393
Medicare patients14
Paid by Medicare$8,875
Procedure codes10

Dr. Ring's Medicare services by type, 2019 to 2020

  • 2019
  • 2020
Tests and treatments
2019: 6092020: 34344%
Office and hospital visits
2019: 1642020: 5070%
Other services
2019: 162020: 0100%

Where Dr. Ring's Medicare services took place, 2020

  • In an office246%
  • In a facility36994%

Dr. Ring compared with the California median for vascular surgeons, 2020

  • Dr. Ring
  • California median
Medicare services
393vs 60935% below
Medicare patients
14vs 27295% below
Part D claims
23vs 5558% below

Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.

Dr. Ring'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.

See all procedures by Dr. Ring

Need commercial claims for Dr. Ring?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ring and other vascular surgeons in California.

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

Dr. Adam C. Ring treated 14 Medicare patients in 2024, average age 66

CMS counts 14 Medicare patients who saw Dr. Ring in 2024. Their average risk score is 3.81, 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. Ring's median patient age at 69, with 38% women.

Medicare patients, 202414
Average age66
Average risk score3.81

Dr. Ring'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

  • Women38%
  • Men62%

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

Dr. Adam C. Ring wrote 63 Medicare Part D claims in 2024

In 2024, Dr. Ring wrote 63 Medicare Part D claims for 32 patients. 87% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $966 in total drug cost. In 2023, CMS named 60 claims across 4 drugs.

Part D claims, 202463
Drugs named by CMS2
Total drug cost$966
Part D patients32

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

  • Generic55 claims87%
  • Brand-name and other8 claims13%

Dr. Ring'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 602024: 2362%

Drugs named by CMS: 2 in 2024, 4 in 2023.

See all prescribing by Dr. Ring

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

How Dr. Adam C. Ring takes part in Medicare

Dr. Ring accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Adam C. Ring has 3 publications on record

Dmand AI links 3 papers to Dr. Ring, published from 2020 to 2024. Dr. Ring's most frequent co-authors are Chelsea Marie Hutchinson, MD, Tina A. Nguyen, MD and Patrick Pezeshkian, MD.

Papers3
Years published2020 to 2024

Dr. Ring's most frequent co-authors

Recent publications by Dr. Ring

See all 3 publications and co-authors

See who Dr. Ring researches with

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

How network discovery works

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

Dr. Adam C. Ring received $8,899 in industry payments from 2016 to 2025

CMS Open Payments shows 120 general payments to Dr. Ring from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. W. L. Gore & Associates, Inc. paid the most, $1,945.

General payments to Dr. Ring by program year, 2016 to 2025

General payments to Dr. Ring by kind, 2016 to 2025

$8.9Kin total
  • Food and beverage$6,20970%
  • Travel and lodging$2,48728%
  • Education$2032%

Companies that paid Dr. Ring the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ring

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

Dr. Adam C. Ring graduated from University Of Cincinnati College Of Medicine

Dr. Ring graduated from University Of Cincinnati College Of Medicine in 2012.

  1. Medical schoolUniversity Of Cincinnati College Of Medicine
  2. Board certified in vascular surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Adam C. Ring accepts plans from 2 insurance carriers

Dr. Ring is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Ring accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Adam C. Ring'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)
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)
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. Adam C. Ring

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. Adam C. Ring's NPI number?

Dr. Adam C. Ring's NPI number is 1205102217. It was assigned on March 25, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Adam C. Ring?

Dr. Adam C. Ring is a vascular surgeon in Richmond, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Adam C. Ring practice?

Dr. Ring practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Ring's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Ring to 2 medical groups.

What is Dr. Adam C. Ring's office phone number?

The practice phone on file for Dr. Ring is (510) 307-1555.

What is Dr. Adam C. Ring's medical license number?

Dr. Ring's Pennsylvania license number on file is MT201544, one of the licenses on file in 4 states.

Which states has Dr. Adam C. Ring been licensed in?

Dmand AI has state licenses on file for Dr. Ring in Pennsylvania (2012 to 2017), California (2020 to 2026), Missouri (2017 to 2021) and Illinois (2017 to 2020).

Which hospitals is Dr. Adam C. Ring affiliated with?

Dr. Ring is affiliated with Penn State Health Milton S. Hershey Medical Center.

What medical group is Dr. Adam C. Ring part of?

Dr. Ring is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Ring to 2 more medical groups.

Does Dr. Adam C. Ring accept Medicare?

Yes. CMS data shows Dr. Ring billed Medicare for 393 services in 2020, and Dr. Ring accepts Medicare assignment.

How many Medicare patients does Dr. Adam C. Ring see?

CMS counts 14 Medicare patients who saw Dr. Ring in 2024, with an average age of 66.

Show 9 more questionsShow fewer questions

Is Dr. Adam C. Ring board certified?

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

What services does Dr. Adam C. Ring bill to Medicare?

In 2020, Dr. Ring's most billed Medicare services were blood vessel study (93970), blood vessel study (93971) and blood vessel study (93922).

Where did Dr. Adam C. Ring go to medical school?

Dr. Ring graduated from University Of Cincinnati College Of Medicine in 2012.

What drugs does Dr. Adam C. Ring prescribe most?

In 2024 Medicare Part D data, Dr. Ring's most prescribed drugs by claims were Cilostazol and Pentoxifylline.

Has Dr. Adam C. Ring received payments from drug or device companies?

CMS Open Payments shows $8,899 in general payments to Dr. Ring from 20 companies from 2016 to 2025. The largest total came from W. L. Gore & Associates, Inc.

How long has Dr. Adam C. Ring been practicing?

Dr. Ring graduated from medical school in 2012, 14 years ago.

Does Dr. Adam C. Ring do research?

Dmand AI links 3 publications to Dr. Ring, published from 2020 to 2024.

Who does Dr. Adam C. Ring publish with?

Dr. Ring's most frequent co-authors are Chelsea Marie Hutchinson, MD (1 shared paper), Tina A. Nguyen, MD (1 shared paper) and Patrick Pezeshkian, MD (1 shared paper).

What insurance does Dr. Adam C. Ring accept?

Dr. Ring is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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