Dr. Adam Gregory Wallach, MD

  • Danville, CA
  • Procedural dermatology physician
NPI1982741021PAC ID1850559212
Medicare services, 2024
7,894
Medicare patients, 2024
853
Part D claims, 2024
477
Hospital affiliations
1
Industry payments
$394
Practice address
400 El Cerro Blvd, Danville, CA 94526
Practice phone
Call (925) 837-8848
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Adam Wallach,M.D. a Professional Corporation

Danville, California

See all 6 affiliations

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Dr. Adam Gregory Wallach is a procedural dermatology physician in Danville, California

Dr. Wallach practices at Adam Wallach,M.D. a Professional Corporation in Danville, California.

Dr. Wallach's NPI, 1982741021, was assigned on January 30, 2007. Dr. Wallach graduated from New York University School of Medicine in 1993. Dr. Wallach holds California license G85998.

NPI and contact details
Medicare PAC ID
1850559212
NPI enumeration date
January 30, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(925) 837-8848
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
59
Medical school graduation
1993

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

Dr. Adam Gregory Wallach practices at Adam Wallach,M.D. a Professional Corporation in Danville, California

Dr. Wallach's primary practice is Adam Wallach,M.D. a Professional Corporation, at 400 El Cerro Blvd, Danville, CA 94526 in Contra Costa County. The practice phone is (925) 837-8848.

  • Adam Wallach,M.D. a Professional Corporation
    400 El Cerro Blvd, Danville, CA 94526 · Contra Costa CountyPhone(925) 837-8848

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

Dr. Adam Gregory Wallach is affiliated with 4 sites of care and 2 medical groups

Dr. Wallach's primary practice is Adam Wallach,M.D. a Professional Corporation in Danville, California. Dr. Wallach is also affiliated with Tahoe Forest Hospital. The medical group on file is Wallach Derma Center. Dmand AI also links Dr. Wallach to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Wallach

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

Dmand AI tracks the EHR system at Dr. Adam Gregory Wallach's practice

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

EHR by site
SiteEHR vendor and product
Adam Wallach,M.D. a Professional CorporationAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Adam Gregory Wallach is one of 101 procedural dermatology physicians in California

Procedural dermatology is Dr. Wallach's primary specialty in the NPI Registry, under taxonomy code 207NS0135X. Dr. Wallach is licensed in California.

Specialties and state licenses

  • Procedural dermatology, CaliforniaPrimaryLicense G85998 · taxonomy 207NS0135X

Procedural dermatology physicians near Dr. Wallach

Counts of procedural dermatology physicians 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. Adam Gregory Wallach billed Medicare for 7,894 services in 2024

CMS data shows 7,894 Medicare services from Dr. Wallach across 25 procedure codes in 2024, for 853 Medicare patients. Medicare paid $322,523 for them. Every service was in an office.

Medicare services, 20247,894
Medicare patients853
Paid by Medicare$322,523
Procedure codes25

Dr. Wallach's Medicare services by type, 2024

  1. Surgery6,515
  2. Office and hospital visits1,313
  3. Drugs given in the office41
  4. Tests and treatments25

Dr. Wallach compared with the California median for procedural dermatology physicians, 2024

  • Dr. Wallach
  • California median
Medicare services
7,894vs 3,1172.5 times
Medicare patients
853vs 60042% above
Part D claims
370vs 1742.1 times

Medians across 85 procedural dermatology physicians in California with Dmand AI profiles that report each measure.

Dr. Wallach'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. Wallach

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

Dr. Adam Gregory Wallach treated 853 Medicare patients in 2024, average age 76

CMS counts 853 Medicare patients who saw Dr. Wallach in 2024. The largest group is 65 to 74, with 398 patients. 75% of them have high cholesterol, and 56% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.87, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Wallach's median patient age at 59, with 50% women.

Medicare patients, 2024853
Average age76
Average risk score0.87
Also on Medicaid2%

Dr. Wallach's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Wallach's Medicare patients by sex, 2024

  • Women35041%
  • Men50359%

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

  1. High cholesterol75%
  2. High blood pressure56%
  3. Arthritis40%
  4. Cancer18%
  5. Ischemic heart disease18%
  6. Osteoporosis16%
  7. Chronic kidney disease15%
  8. Atrial fibrillation14%

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

Dr. Wallach's patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women50%
  • Men47%

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

Dr. Adam Gregory Wallach wrote 477 Medicare Part D claims in 2024

In 2024, Dr. Wallach wrote 477 Medicare Part D claims for 249 patients. 90% of them were for generic drugs. CMS names the drug for 370 of them, across 13 drugs with 11 or more claims each, at $104,039 in total drug cost.

Part D claims, 2024477
Drugs named by CMS13
Total drug cost$104,039
Part D patients249

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

  • Generic430 claims90%
  • Brand-name47 claims10%

Dr. Wallach'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. Wallach's Part D claims, 2024

  • Antibiotics16%76 of 477 claims

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

See all prescribing by Dr. Wallach

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. Adam Gregory Wallach scored 0 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Wallach for performance year 2024, reported individually. Dr. Wallach accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 2,604 procedures of removal of skin lesions by Dr. Wallach, more than 99% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Wallach's MIPS scores, performance year 2024

  • 0of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 0of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Wallach ranks in Medicare procedure volume

Removal of skin lesions
99th percentile2,604 procedures
Skin biopsy
98th percentile788 procedures
Melanoma (skin cancer) excision
91st percentile84 procedures

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

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Adam Gregory Wallach received $394 in industry payments from 2024 to 2025

CMS Open Payments shows 19 general payments to Dr. Wallach from 9 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 96% of the total. Incyte Corporation paid the most, $96.

General payments to Dr. Wallach by program year, 2024 to 2025

General payments to Dr. Wallach by kind, 2024 to 2025

$394in total
  • Food and beverage$37896%
  • Education$154%

Companies that paid Dr. Wallach the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Wallach

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

Dr. Adam Gregory Wallach graduated from New York University School of Medicine

Dr. Wallach graduated from New York University School of Medicine in 1993.

  1. Medical schoolNew York University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Adam Gregory Wallach'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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 Gregory Wallach

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 Gregory Wallach's NPI number?

Dr. Adam Gregory Wallach's NPI number is 1982741021. It was assigned on January 30, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Adam Gregory Wallach?

Dr. Adam Gregory Wallach is a procedural dermatology physician in Danville, California. The primary specialty in the NPI Registry is Procedural Dermatology Physician (taxonomy code 207NS0135X).

Where does Dr. Adam Gregory Wallach practice?

Dr. Wallach practices at 400 El Cerro Blvd, Danville, CA 94526. Dr. Wallach's primary practice is Adam Wallach,M.D. a Professional Corporation in Danville, California. Dmand AI also links Dr. Wallach to 2 group practices and clinics and 1 medical group.

What is Dr. Adam Gregory Wallach's office phone number?

The practice phone on file for Dr. Wallach is (925) 837-8848.

What is Dr. Adam Gregory Wallach's medical license number?

Dr. Wallach holds California license G85998.

Which hospitals is Dr. Adam Gregory Wallach affiliated with?

Dr. Wallach is affiliated with Tahoe Forest Hospital.

What medical group is Dr. Adam Gregory Wallach part of?

Dr. Wallach is linked to Wallach Derma Center. Dmand AI links Dr. Wallach to 1 more medical group.

Does Dr. Adam Gregory Wallach accept Medicare?

Yes. CMS data shows Dr. Wallach billed Medicare for 7,894 services in 2024, and Dr. Wallach accepts Medicare assignment.

What is Dr. Adam Gregory Wallach's MIPS score?

Dr. Wallach's MIPS final score for performance year 2024 is 0 out of 100, reported individually.

How many Medicare patients does Dr. Adam Gregory Wallach see?

CMS counts 853 Medicare patients who saw Dr. Wallach in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Adam Gregory Wallach bill to Medicare?

In 2024, Dr. Wallach's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).

Where did Dr. Adam Gregory Wallach go to medical school?

Dr. Wallach graduated from New York University School of Medicine in 1993.

What drugs does Dr. Adam Gregory Wallach prescribe most?

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

Has Dr. Adam Gregory Wallach received payments from drug or device companies?

CMS Open Payments shows $394 in general payments to Dr. Wallach from 9 companies from 2024 to 2025. The largest total came from Incyte Corporation.

How long has Dr. Adam Gregory Wallach been practicing?

Dr. Wallach graduated from medical school in 1993, 33 years ago.

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