Dr. Dev Singh Chahal, MD

  • Orinda, CA
  • Dermatologist
NPI1770018236PAC ID1254743917
Medicare services, 2024
1,300
Medicare patients, 2024
380
Part D claims, 2024
627
Publications
3
Hospital affiliations
1
Practice address
12 Camino Encinas, Orinda, CA 94563-3304
Practice phone
Call (510) 204-8180
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Sutter East Bay Medical Foundation

Multi-specialty group site · Orinda, California

See all 5 affiliations

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Dr. Dev Singh Chahal is a dermatologist in Orinda, California

Dr. Chahal practices at Sutter East Bay Medical Foundation in Orinda, California.

Dr. Chahal's NPI, 1770018236, was assigned on April 21, 2017. Dr. Chahal graduated from David Geffen School of Medicine at UCLA in 2016. Dr. Chahal holds California license A158739.

NPI and contact details
Medicare PAC ID
1254743917
NPI enumeration date
April 21, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(510) 204-8180
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2016

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

Dr. Dev Singh Chahal practices at Sutter East Bay Medical Foundation in Orinda, California

Dr. Chahal's primary practice is Sutter East Bay Medical Foundation, at 12 Camino Encinas, Orinda, CA 94563-3304. The practice phone is (510) 204-8180.

  • Sutter East Bay Medical Foundation
    12 Camino Encinas, Orinda, CA 94563-3304Phone(510) 204-8180

Source: Dmand AI Affiliation Data

Dr. Dev Singh Chahal is affiliated with 3 sites of care and 2 medical groups

Dr. Chahal's primary practice is Sutter East Bay Medical Foundation in Orinda, California. Dr. Chahal is also affiliated with California Pacific Medical Center Davies Campus. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Chahal to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Chahal

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Dev Singh Chahal's practice

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

EHR by site
SiteEHR vendor and product
Sutter East Bay Medical FoundationAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Dev Singh Chahal is one of 1,910 dermatologists in California

Dermatology is Dr. Chahal's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Chahal is board certified in dermatology by the American Board of Dermatology. Dr. Chahal is licensed in California.

Specialties and state licenses

  • Dermatology, CaliforniaPrimaryLicense A158739 · 2018 to 2026 · taxonomy 207N00000X

Clinical focus

Dmand AI lists acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, contact dermatitis, corns and calluses, hives, itchy rashes and joint cyst among the conditions Dr. Chahal treats.

Dermatologists near Dr. Chahal

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

1,910dermatologists in California
4dermatologists in Orinda

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

Dr. Dev Singh Chahal billed Medicare for 1,300 services in 2024

CMS data shows 1,300 Medicare services from Dr. Chahal across 11 procedure codes in 2024, for 380 Medicare patients. Medicare paid $91,299 for them. Every service was in an office.

Medicare services, 20241,300
Medicare patients380
Paid by Medicare$91,299
Procedure codes11

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

  • 2023
  • 2024
Surgery
2023: 4152024: 67763%
Office and hospital visits
2023: 4462024: 60235%
Other services
2023: 02024: 21

Dr. Chahal compared with the California median for dermatologists, 2024

  • Dr. Chahal
  • California median
Medicare services
1,300vs 1,75026% below
Medicare patients
380vs 377Close to median
Part D claims
482vs 36731% above

Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.

Dr. Chahal'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. Chahal

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chahal and other dermatologists in California.

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

Dr. Dev Singh Chahal treated 380 Medicare patients in 2024, average age 74

CMS counts 380 Medicare patients who saw Dr. Chahal in 2024. The largest group is 65 to 74, with 190 patients. 64% of them have high cholesterol, and 63% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chahal's median patient age at 47, with 59% women.

Medicare patients, 2024380
Average age74
Average risk score1.07
Also on Medicaid16%

Dr. Chahal's Medicare patients by age, 2024

Dr. Chahal's Medicare patients by sex, 2024

  • Women21456%
  • Men16644%

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

  1. High cholesterol64%
  2. High blood pressure63%
  3. Arthritis42%
  4. Diabetes24%
  5. Osteoporosis22%
  6. Mood disorders20%
  7. Ischemic heart disease19%
  8. Anxiety18%

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

Dr. Chahal's patients across all payers

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

Patient panel by age, all payers

Median age 47

Patient panel by sex, all payers

  • Women59%
  • Men37%

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

Dr. Dev Singh Chahal wrote 627 Medicare Part D claims in 2024

In 2024, Dr. Chahal wrote 627 Medicare Part D claims for 211 patients. 93% of them were for generic drugs. CMS names the drug for 482 of them, across 15 drugs with 11 or more claims each, at $122,218 in total drug cost. In 2023, CMS named 228 claims across 9 drugs.

Part D claims, 2024627
Drugs named by CMS15
Total drug cost$122,218
Part D patients211

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

  • Generic583 claims93%
  • Brand-name44 claims7%

Dr. Chahal'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.

Drug classes CMS tracks in Dr. Chahal's Part D claims, 2024

  • Antibiotics8%52 of 627 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2282024: 482111%

Drugs named by CMS: 15 in 2024, 9 in 2023.

See all prescribing by Dr. Chahal

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. Dev Singh Chahal ranks in the 82nd percentile for removal of skin lesions in Medicare

Dr. Chahal accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chahal as offering telehealth. CMS counts 289 procedures of removal of skin lesions by Dr. Chahal, more than 82% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Chahal ranks in Medicare procedure volume

Removal of skin lesions
82nd percentile289 procedures
Skin biopsy
79th percentile133 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Dev Singh Chahal has 3 publications on record

Dmand AI links 3 papers to Dr. Chahal in 2015. The most frequent topics are Acne Vulgaris. Dr. Chahal's most frequent co-authors are Lauren A. Hassoun, Raja Kameswaran Sivamani, MD, MS and Larissa Nadia Larsen, MD.

Papers3

Topics Dr. Chahal writes about most

  • Acne Vulgaris

Dr. Chahal's most frequent co-authors

Recent publications by Dr. Chahal

See all 3 publications and co-authors

See who Dr. Chahal researches with

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

How network discovery works

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

Dr. Dev Singh Chahal received $5,357 in industry payments from 2018 to 2025

CMS Open Payments shows 89 general payments to Dr. Chahal from 14 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 97% of the total. Abbvie Inc. paid the most, $1,572.

General payments to Dr. Chahal by program year, 2018 to 2025

General payments to Dr. Chahal by kind, 2018 to 2025

$5.4Kin total
  • Food and beverage$5,19597%
  • Education$1623%

Companies that paid Dr. Chahal the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chahal

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

Dr. Dev Singh Chahal graduated from David Geffen School of Medicine at UCLA

Dr. Chahal graduated from David Geffen School of Medicine at UCLA in 2016.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in dermatologyAmerican Board of Dermatology

Source: Dmand AI Professional Profile Data

Dr. Dev Singh Chahal accepts plans from 12 insurance carriers

Dr. Chahal is in network with 12 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +4 more carriersWith a free account

Plan types Dr. Chahal accepts, by number of carriers

  1. PPO8
  2. HMO6
  3. Medicare5
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Dev Singh Chahal'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)Doctors and Clinicians Utilization Data (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. Dev Singh Chahal

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. Dev Singh Chahal's NPI number?

Dr. Dev Singh Chahal's NPI number is 1770018236. It was assigned on April 21, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Dev Singh Chahal?

Dr. Dev Singh Chahal is a dermatologist in Orinda, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Dev Singh Chahal practice?

Dr. Chahal practices at 12 Camino Encinas, Orinda, CA 94563-3304. Dr. Chahal's primary practice is Sutter East Bay Medical Foundation in Orinda, California. Dmand AI also links Dr. Chahal to 1 group practice or clinic and 1 medical group.

What is Dr. Dev Singh Chahal's office phone number?

The practice phone on file for Dr. Chahal is (510) 204-8180.

What is Dr. Dev Singh Chahal's medical license number?

Dr. Chahal holds California license A158739.

Which hospitals is Dr. Dev Singh Chahal affiliated with?

Dr. Chahal is affiliated with California Pacific Medical Center Davies Campus.

What medical group is Dr. Dev Singh Chahal part of?

Dr. Chahal is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Chahal to 1 more medical group.

Does Dr. Dev Singh Chahal accept Medicare?

Yes. CMS data shows Dr. Chahal billed Medicare for 1,300 services in 2024, and Dr. Chahal accepts Medicare assignment.

Does Dr. Dev Singh Chahal offer telehealth?

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

How many Medicare patients does Dr. Dev Singh Chahal see?

CMS counts 380 Medicare patients who saw Dr. Chahal in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Dev Singh Chahal board certified?

Yes. Dr. Chahal is board certified in dermatology by the American Board of Dermatology.

What services does Dr. Dev Singh Chahal bill to Medicare?

In 2024, Dr. Chahal's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and office visit, established patient (99213).

Where did Dr. Dev Singh Chahal go to medical school?

Dr. Chahal graduated from David Geffen School of Medicine at UCLA in 2016.

What drugs does Dr. Dev Singh Chahal prescribe most?

In 2024 Medicare Part D data, Dr. Chahal's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Clobetasol Propionate.

Has Dr. Dev Singh Chahal received payments from drug or device companies?

CMS Open Payments shows $5,357 in general payments to Dr. Chahal from 14 companies from 2018 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Dev Singh Chahal been practicing?

Dr. Chahal graduated from medical school in 2016, 10 years ago.

Does Dr. Dev Singh Chahal do research?

Dmand AI links 3 publications to Dr. Chahal.

Who does Dr. Dev Singh Chahal publish with?

Dr. Chahal's most frequent co-authors are Lauren A. Hassoun (2 shared papers), Raja Kameswaran Sivamani, MD, MS (2 shared papers) and Larissa Nadia Larsen, MD (1 shared paper).

What insurance does Dr. Dev Singh Chahal accept?

Dr. Chahal is in network with 12 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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