Dr. Melanie Dyan Johansson, MD

  • Napa, CA
  • Emergency medicine physician
NPI1134417447PAC ID1153581665
Medicare services, 2024
4,271
Medicare patients, 2024
347
Part D claims, 2024
1,641
Publications
1
MIPS score, 2024
22
Practice address
935 Trancas Street, Suite 3a, Napa, CA 94558
Practice phone
Call (707) 681-7777
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Napa Ambulatory Surgery Center

Surgery Center - Medicare-Certified · Napa, California

See all 4 affiliations

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Dr. Melanie Dyan Johansson is an emergency medicine physician in Napa, California

Dr. Johansson practices at Napa Ambulatory Surgery Center in Napa, California.

Dr. Johansson's NPI, 1134417447, was assigned on July 20, 2011. Dr. Johansson graduated from VCU School of Medicine in 2008. Dr. Johansson's Washington license number on file is BC60237342.

NPI and contact details
Medicare PAC ID
1153581665
NPI enumeration date
July 20, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(707) 681-7777
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
44
Medical school graduation
2008

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

Dr. Melanie Dyan Johansson practices at Napa Ambulatory Surgery Center in Napa, California

Dr. Johansson's primary practice is Napa Ambulatory Surgery Center, at 935 Trancas Street, Suite 3a, Napa, CA 94558. The practice phone is (707) 681-7777.

  • Napa Ambulatory Surgery Center
    935 Trancas Street, Suite 3a, Napa, CA 94558Phone(707) 681-7777

Source: Dmand AI Affiliation Data

Dr. Melanie Dyan Johansson is affiliated with 3 sites of care and 1 medical group

Dr. Johansson's primary practice is Napa Ambulatory Surgery Center in Napa, California. Dr. Johansson is also affiliated with Providence Queen of the Valley Medical Center. The medical group on file is California Pain Specialists. Dmand AI also links Dr. Johansson to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Johansson

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Melanie Dyan Johansson's practice

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

EHR by site
SiteEHR vendor and product
Napa Ambulatory Surgery CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Melanie Dyan Johansson is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Johansson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Johansson is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Johansson's licenses on file in 4 states: Washington, California, Montana and New Jersey.

Specialties and state licenses

  • Emergency medicine, WashingtonPrimaryLicense BC60237342 · 2011 to 2023 · taxonomy 207P00000X
  • California license2022 to 2026
  • Montana license2022 to 2024
  • New Jersey license2009 to 2013

Clinical focus

Dmand AI lists back pain injection, lower back pain, muscle pain, fibromyalgia, and limb pain, neck pain and spine problems, spinal stenosis and thoracic spine disorders among the conditions Dr. Johansson treats.

Emergency medicine physicians near Dr. Johansson

Counts of emergency medicine 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. Melanie Dyan Johansson billed Medicare for 4,271 services in 2024

CMS data shows 4,271 Medicare services from Dr. Johansson across 29 procedure codes in 2024, for 347 Medicare patients. Medicare paid $368,667 for them.

Medicare services, 20244,271
Medicare patients347
Paid by Medicare$368,667
Procedure codes29

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

  • 2023
  • 2024
Office and hospital visits
2023: 7842024: 1,39578%
Drugs given in the office
2023: 5602024: 1,05689%
Surgery
2023: 4672024: 65139%
Lab and pathology
2023: 5892024: 41430%
Other services
2023: 5842024: 40930%
Imaging
2023: 3322024: 28514%
Tests and treatments
2023: 522024: 6117%

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

  • In an office3,92492%
  • In a facility3478%

Dr. Johansson compared with the California median for emergency medicine physicians, 2024

  • Dr. Johansson
  • California median
Medicare services
4,271vs 26516.1 times
Medicare patients
347vs 24343% above
Part D claims
1,443vs 6223.3 times

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Johansson'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. Johansson

Need commercial claims for Dr. Johansson?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johansson and other emergency medicine physicians in California.

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

Dr. Melanie Dyan Johansson treated 347 Medicare patients in 2024, average age 71

CMS counts 347 Medicare patients who saw Dr. Johansson in 2024. The largest group is 65 to 74, with 139 patients. 75% of them have arthritis, and 75% have high blood pressure. 49% are also on Medicaid. Their average risk score is 1.90, 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. Johansson's median patient age at 57, with 59% women.

Medicare patients, 2024347
Average age71
Average risk score1.90
Also on Medicaid49%

Dr. Johansson's Medicare patients by age, 2024

Dr. Johansson's Medicare patients by sex, 2024

  • Women20860%
  • Men13940%

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

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol73%
  4. Mood disorders46%
  5. Anxiety42%
  6. Depression39%
  7. Diabetes33%
  8. Ischemic heart disease33%

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

Dr. Johansson'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

  • Women59%
  • Men40%

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

Dr. Melanie Dyan Johansson wrote 1,641 Medicare Part D claims in 2024

In 2024, Dr. Johansson wrote 1,641 Medicare Part D claims for 276 patients. 90% of them were for generic drugs. CMS names the drug for 1,443 of them, across 32 drugs with 11 or more claims each, at $139,650 in total drug cost. In 2023, CMS named 828 claims across 20 drugs.

Part D claims, 20241,641
Drugs named by CMS32
Total drug cost$139,650
Part D patients276

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

  • Generic1,483 claims90%
  • Brand-name158 claims10%

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

  • Opioids41%673 of 1,641 claims
  • Antibiotics2%41 of 1,641 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: 8282024: 1,44374%

Drugs named by CMS: 32 in 2024, 20 in 2023.

See all prescribing by Dr. Johansson

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. Melanie Dyan Johansson scored 22 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 22 out of 100 for Dr. Johansson for performance year 2024, reported individually. Dr. Johansson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Johansson as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Johansson's MIPS scores, performance year 2024

  • 22of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 73of 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. Melanie Dyan Johansson has 1 publication on record

Dmand AI links 1 paper to Dr. Johansson in 2020. Dr. Johansson's most frequent co-authors are Brendan T. Byrne, MD and Ryan Y. Tillman, MD.

Papers1

Dr. Johansson's most frequent co-authors

Recent publications by Dr. Johansson

See all 1 publications and co-authors

See who Dr. Johansson researches with

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

How network discovery works

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

Dr. Melanie Dyan Johansson received $2,389 in industry payments from 2019 to 2025

CMS Open Payments shows 35 general payments to Dr. Johansson from 9 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 62% of the total. Medtronic, Inc. paid the most, $1,514.

General payments to Dr. Johansson by program year, 2019 to 2025

General payments to Dr. Johansson by kind, 2019 to 2025

$2.4Kin total
  • Food and beverage$1,48662%
  • Travel and lodging$90238%

Companies that paid Dr. Johansson the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Johansson

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

Dr. Melanie Dyan Johansson graduated from VCU School of Medicine

Dr. Johansson graduated from VCU School of Medicine in 2008.

  1. Medical schoolVCU School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine
  3. Board certified in pain medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Melanie Dyan Johansson accepts plans from 14 insurance carriers

Dr. Johansson is in network with 14 carriers, including Aetna, Elevance 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
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Alliant Health Plans
  • Aspirus Health Plan
  • +6 more carriersWith a free account

Plan types Dr. Johansson accepts, by number of carriers

  1. PPO8
  2. HMO7
  3. Medicare7
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Melanie Dyan Johansson'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 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)
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. Melanie Dyan Johansson

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. Melanie Dyan Johansson's NPI number?

Dr. Melanie Dyan Johansson's NPI number is 1134417447. It was assigned on July 20, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Melanie Dyan Johansson?

Dr. Melanie Dyan Johansson is an emergency medicine physician in Napa, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Melanie Dyan Johansson practice?

Dr. Johansson practices at 935 Trancas Street, Suite 3a, Napa, CA 94558. Dr. Johansson's primary practice is Napa Ambulatory Surgery Center in Napa, California. Dmand AI also links Dr. Johansson to 1 group practice or clinic.

What is Dr. Melanie Dyan Johansson's office phone number?

The practice phone on file for Dr. Johansson is (707) 681-7777.

What is Dr. Melanie Dyan Johansson's medical license number?

Dr. Johansson's Washington license number on file is BC60237342, one of the licenses on file in 4 states.

Which states has Dr. Melanie Dyan Johansson been licensed in?

Dmand AI has state licenses on file for Dr. Johansson in Washington (2011 to 2023), California (2022 to 2026), Montana (2022 to 2024) and New Jersey (2009 to 2013).

Which hospitals is Dr. Melanie Dyan Johansson affiliated with?

Dr. Johansson is affiliated with Providence Queen of the Valley Medical Center.

What medical group is Dr. Melanie Dyan Johansson part of?

Dr. Johansson is linked to California Pain Specialists.

Does Dr. Melanie Dyan Johansson accept Medicare?

Yes. CMS data shows Dr. Johansson billed Medicare for 4,271 services in 2024, and Dr. Johansson accepts Medicare assignment.

Does Dr. Melanie Dyan Johansson offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. Melanie Dyan Johansson's MIPS score?

Dr. Johansson's MIPS final score for performance year 2024 is 22 out of 100, reported individually.

How many Medicare patients does Dr. Melanie Dyan Johansson see?

CMS counts 347 Medicare patients who saw Dr. Johansson in 2024, with an average age of 71.

Is Dr. Melanie Dyan Johansson board certified?

Yes. Dr. Johansson is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Melanie Dyan Johansson bill to Medicare?

In 2024, Dr. Johansson's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J1010) and lab and pathology test (80307).

Where did Dr. Melanie Dyan Johansson go to medical school?

Dr. Johansson graduated from VCU School of Medicine in 2008.

What drugs does Dr. Melanie Dyan Johansson prescribe most?

In 2024 Medicare Part D data, Dr. Johansson's most prescribed drugs by claims were Oxycodone HCl, Hydrocodone-Acetaminophen and Gabapentin.

Has Dr. Melanie Dyan Johansson received payments from drug or device companies?

CMS Open Payments shows $2,389 in general payments to Dr. Johansson from 9 companies from 2019 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Melanie Dyan Johansson been practicing?

Dr. Johansson graduated from medical school in 2008, 18 years ago.

Does Dr. Melanie Dyan Johansson do research?

Dmand AI links 1 publication to Dr. Johansson.

Who does Dr. Melanie Dyan Johansson publish with?

Dr. Johansson's most frequent co-authors are Brendan T. Byrne, MD (1 shared paper) and Ryan Y. Tillman, MD (1 shared paper).

What insurance does Dr. Melanie Dyan Johansson accept?

Dr. Johansson is in network with 14 carriers, including Aetna, Elevance 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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