Dr. Peter Adamczyk, MD

  • Castro Valley, CA
  • Neurologist
NPI1689710915PAC ID7911059464
Medicare services, 2024
444
Medicare patients, 2024
173
Part D claims, 2024
26
Publications
19
Clinical trials
2
Practice address
20055 Lake Chabot Rd, Castro Valley, CA 94546-5331
Practice phone
Call (510) 538-7738
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Peter Adamczyk MD INC

Physician office · Castro Valley, California

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Dr. Peter Adamczyk is a neurologist in Castro Valley, California

Dr. Adamczyk practices at Peter Adamczyk MD INC in Castro Valley, California.

Dr. Adamczyk's NPI, 1689710915, was assigned on January 30, 2007. Dr. Adamczyk graduated from Feinberg School of Medicine in 2005. Dr. Adamczyk holds California license A98461.

NPI and contact details
Medicare PAC ID
7911059464
NPI enumeration date
January 30, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(510) 538-7738
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
47
Medical school graduation
2005

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

Dr. Peter Adamczyk practices at Peter Adamczyk MD INC in Castro Valley, California

Dr. Adamczyk's primary practice is Peter Adamczyk MD INC, at 20055 Lake Chabot Rd, Castro Valley, CA 94546-5331. The practice phone is (510) 538-7738.

  • Peter Adamczyk MD INC
    20055 Lake Chabot Rd, Castro Valley, CA 94546-5331Phone(510) 538-7738

Source: Dmand AI Affiliation Data

Dr. Peter Adamczyk is affiliated with 3 sites of care

Dr. Adamczyk's primary practice is Peter Adamczyk MD INC in Castro Valley, California. Dr. Adamczyk is also affiliated with Sutter Eden Medical Center. Dmand AI also links Dr. Adamczyk to 1 more hospital, named with a free account.

Peter Adamczyk MD INCPhysician office · Castro Valley, CaliforniaPrimary
Sutter Eden Medical CenterAcute care hospital, Castro Valley, CA1 hospitalName with a free account
See all 3 affiliations for Dr. Adamczyk

Source: Dmand AI Affiliation Data

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Adamczyk practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Peter Adamczyk MD INCAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Peter Adamczyk is one of 2,207 neurologists in California

Neurology is Dr. Adamczyk's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Adamczyk is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Adamczyk's licenses on file in 2 states: California and Illinois.

Specialties and state licenses

  • Neurology, CaliforniaPrimaryLicense A98461 · 2007 to 2027 · taxonomy 2084N0400X
  • Illinois license2005 to 2017

Clinical focus

Dmand AI lists acute mini-stroke (TIA) and cerebrovascular disease among the conditions Dr. Adamczyk treats.

Neurologists near Dr. Adamczyk

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

2,207neurologists in California
6neurologists in Castro Valley

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

Dr. Peter Adamczyk billed Medicare for 444 services in 2024

CMS data shows 444 Medicare services from Dr. Adamczyk across 10 procedure codes in 2024, for 173 Medicare patients. Medicare paid $89,488 for them.

Medicare services, 2024444
Medicare patients173
Paid by Medicare$89,488
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 2842024: 23119%
Surgery
2023: 1652024: 19418%
Imaging
2023: 302024: 1937%

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

  • In an office5512%
  • In a facility38988%

Dr. Adamczyk compared with the California median for neurologists, 2024

  • Dr. Adamczyk
  • California median
Medicare services
444vs 40410% above
Medicare patients
173vs 1909% below
Part D claims
20vs 32494% below

Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.

Dr. Adamczyk'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. Adamczyk

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

Dr. Peter Adamczyk treated 173 Medicare patients in 2024, average age 76

CMS counts 173 Medicare patients who saw Dr. Adamczyk in 2024. The largest group is 75 to 84, with 66 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 53% are also on Medicaid. Their average risk score is 1.97, 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. Adamczyk's median patient age at 66, with 56% women.

Medicare patients, 2024173
Average age76
Average risk score1.97
Also on Medicaid53%

Dr. Adamczyk's Medicare patients by age, 2024

Dr. Adamczyk's Medicare patients by sex, 2024

  • Women9957%
  • Men7443%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Stroke or TIA75%
  4. Chronic kidney disease47%
  5. Diabetes44%
  6. Ischemic heart disease43%
  7. Arthritis40%
  8. Atrial fibrillation38%

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

Dr. Adamczyk'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

  • Women56%
  • Men39%

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

Dr. Peter Adamczyk wrote 26 Medicare Part D claims in 2024

In 2024, Dr. Adamczyk wrote 26 Medicare Part D claims for 11 patients. 73% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $13,496 in total drug cost. In 2022, CMS named 16 claims across 1 drug.

Part D claims, 202426
Drugs named by CMS1
Total drug cost$13,496
Part D patients11

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

  • Generic19 claims73%
  • Brand-name and other7 claims27%

Dr. Adamczyk's most prescribed drugs by claims, 2023

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, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 162023: 2025%

Drugs named by CMS: 1 in 2023, 1 in 2022.

See all prescribing by Dr. Adamczyk

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 Adamczyk offers telehealth to Medicare patients

Dr. Adamczyk accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Adamczyk as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Peter Adamczyk has 19 publications on record

Dmand AI links 19 papers to Dr. Adamczyk, published from 2008 to 2019. 2013 was the busiest year, with 6. The most frequent topics are Biomechanical Phenomena, Gait and Walking. Dr. Adamczyk has published most often in J Exp Biol. Dr. Adamczyk's most frequent co-authors are Michael Eric Hahn, MD, PhD, William Jacob Mack, MD and Arun P. Amar, MD.

Papers19
Years published2008 to 2019

Dr. Adamczyk's papers by year, 2008 to 2019

Topics Dr. Adamczyk writes about most

  • Biomechanical Phenomena
  • Gait
  • Walking
  • Models, Biological
  • Energy Metabolism
  • Foot
  • Ankle
  • Computer Simulation

Dr. Adamczyk's most frequent co-authors

Recent publications by Dr. Adamczyk

See all 19 publications and co-authors

See who Dr. Adamczyk researches with

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

How network discovery works

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

Dr. Peter Adamczyk has worked on 2 clinical trials

Dmand AI links Dr. Adamczyk to 2 clinical trials. Conditions studied include Stroke, Ischemic Stroke and Cerebrovascular Disorders.

Conditions in Dr. Adamczyk's trials

  • Stroke
  • Ischemic Stroke
  • Cerebrovascular Disorders

Investigators on the most trials with Dr. Adamczyk

Recent clinical trials with Dr. Adamczyk

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Peter Adamczyk received $9,423 in industry payments from 2016 to 2025

CMS Open Payments shows 170 general payments to Dr. Adamczyk from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Stryker Corporation paid the most, $4,696.

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

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

$9.4Kin total
  • Food and beverage$5,84262%
  • Consulting fees$1,87520%
  • Travel and lodging$1,70618%

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

Share is of all general payments to this clinician.

See all payments to Dr. Adamczyk

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

Dr. Peter Adamczyk graduated from Feinberg School of Medicine

Dr. Adamczyk graduated from Feinberg School of Medicine in 2005.

  1. Medical schoolFeinberg School of Medicine
  2. Board certified in neurologyAmerican Board of Psychiatry and Neurology
  3. Board certified in vascular neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Peter Adamczyk accepts plans from 13 insurance carriers

Dr. Adamczyk is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Adamczyk accepts, by number of carriers

  1. Medicare9
  2. PPO8
  3. HMO6
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Peter Adamczyk'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation 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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Peter Adamczyk

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 Adamczyk's NPI number?

Dr. Peter Adamczyk's NPI number is 1689710915. It was assigned on January 30, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Peter Adamczyk?

Dr. Peter Adamczyk is a neurologist in Castro Valley, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Peter Adamczyk practice?

Dr. Adamczyk practices at 20055 Lake Chabot Rd, Castro Valley, CA 94546-5331. Dr. Adamczyk's primary practice is Peter Adamczyk MD INC in Castro Valley, California. Dmand AI also links Dr. Adamczyk to 1 hospital.

What is Dr. Peter Adamczyk's office phone number?

The practice phone on file for Dr. Adamczyk is (510) 538-7738.

What is Dr. Peter Adamczyk's medical license number?

Dr. Adamczyk holds California license A98461, one of the licenses on file in 2 states.

Which states has Dr. Peter Adamczyk been licensed in?

Dmand AI has state licenses on file for Dr. Adamczyk in California (2007 to 2027) and Illinois (2005 to 2017).

Which hospitals is Dr. Peter Adamczyk affiliated with?

Dr. Adamczyk is affiliated with Sutter Eden Medical Center. Dmand AI links Dr. Adamczyk to 1 more hospital.

Does Dr. Peter Adamczyk accept Medicare?

Yes. CMS data shows Dr. Adamczyk billed Medicare for 444 services in 2024, and Dr. Adamczyk accepts Medicare assignment.

Does Dr. Peter Adamczyk offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Adamczyk as offering telehealth services.

How many Medicare patients does Dr. Peter Adamczyk see?

CMS counts 173 Medicare patients who saw Dr. Adamczyk in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. Peter Adamczyk board certified?

Yes. Dr. Adamczyk is board certified in neurology by the American Board of Psychiatry and Neurology.

What services does Dr. Peter Adamczyk bill to Medicare?

In 2024, Dr. Adamczyk's most billed Medicare services were hospital inpatient care (99232), surgery: heart and blood vessels (36224) and surgery: heart and blood vessels (36226).

Where did Dr. Peter Adamczyk go to medical school?

Dr. Adamczyk graduated from Feinberg School of Medicine in 2005.

What drugs does Dr. Peter Adamczyk prescribe most?

In 2023 Medicare Part D data, Dr. Adamczyk's most prescribed drugs by claims were Brilinta.

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

CMS Open Payments shows $9,423 in general payments to Dr. Adamczyk from 13 companies from 2016 to 2025. The largest total came from Stryker Corporation.

How long has Dr. Peter Adamczyk been practicing?

Dr. Adamczyk graduated from medical school in 2005, 21 years ago.

Does Dr. Peter Adamczyk do research?

Dmand AI links 19 publications to Dr. Adamczyk, published from 2008 to 2019. Dr. Adamczyk has worked on 2 clinical trials.

Who does Dr. Peter Adamczyk publish with?

Dr. Adamczyk's most frequent co-authors are Michael Eric Hahn, MD, PhD (2 shared papers), William Jacob Mack, MD (2 shared papers) and Arun P. Amar, MD (1 shared paper).

What insurance does Dr. Peter Adamczyk accept?

Dr. Adamczyk is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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