Dr. Melissa Ann Gaspar, MD

  • Vacaville, CA
  • Emergency medicine physician
NPI1588291496PAC ID2961823737
Medicare services, 2024
50
Medicare patients, 2024
54
Part D claims, 2024
360
Hospital affiliations
1
Medical group
1
Practice address
1 Quality Drive, Vacaville, CA 95688
Practice phone
Call (707) 624-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Vacaville Medical Center

Hospital · Vacaville, California

See all 3 affiliations

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Dr. Melissa Ann Gaspar is an emergency medicine physician in Vacaville, California

Dr. Gaspar practices at Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente.

Dr. Gaspar's NPI, 1588291496, was assigned on March 23, 2020. Dr. Gaspar graduated from University of Missouri School of Medicine in 2020. Dr. Gaspar's California license number on file is 191263.

NPI and contact details
Medicare PAC ID
2961823737
NPI enumeration date
March 23, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 624-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
32
Medical school graduation
2020

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

Dr. Melissa Ann Gaspar practices at Vacaville Medical Center in Vacaville, California

Dr. Gaspar's primary practice is Vacaville Medical Center, at 1 Quality Drive, Vacaville, CA 95688 in Solano County. The practice phone is (707) 624-4000.

Source: Dmand AI Affiliation Data

Dr. Melissa Ann Gaspar is affiliated with 2 sites of care and 1 medical group

Dr. Gaspar's primary practice is Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Gaspar to 1 more clinical lab, named with a free account.

See all 3 affiliations for Dr. Gaspar

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

Dmand AI tracks the EHR system at Dr. Melissa Ann Gaspar's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gaspar practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Vacaville Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Melissa Ann Gaspar is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Gaspar's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Gaspar is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Gaspar has a license on file in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense 191263 · 2023 to 2025 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Gaspar

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. Melissa Ann Gaspar billed Medicare for 50 services in 2024

CMS data shows 50 Medicare services from Dr. Gaspar across 2 procedure codes in 2024, for 54 Medicare patients. Medicare paid $5,699 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202450
Medicare patients54
Paid by Medicare$5,699
Procedure codes2

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

  • Dr. Gaspar
  • California median
Medicare services
50vs 26581% below
Medicare patients
54vs 24378% below
Part D claims
224vs 623.6 times

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

Dr. Gaspar'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.

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

Dr. Melissa Ann Gaspar treated 54 Medicare patients in 2024, average age 68

CMS counts 54 Medicare patients who saw Dr. Gaspar in 2024. The largest group is under 65, with 19 patients. 72% of them have high blood pressure, and 61% have high cholesterol. 59% are also on Medicaid. Their average risk score is 1.86, 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. Gaspar's median patient age at 46, with 59% women.

Medicare patients, 202454
Average age68
Average risk score1.86
Also on Medicaid59%

Dr. Gaspar's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Gaspar's Medicare patients by sex, 2024

  • Women2954%
  • Men2546%

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

  1. High blood pressure72%
  2. High cholesterol61%
  3. Arthritis48%
  4. Diabetes39%
  5. Chronic kidney disease33%
  6. Mood disorders33%
  7. Heart failure31%
  8. Ischemic heart disease31%

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

Dr. Gaspar's patients across all payers

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

Patient panel by age, all payers

Median age 46

Patient panel by sex, all payers

  • Women59%
  • Men41%

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

Dr. Melissa Ann Gaspar wrote 360 Medicare Part D claims in 2024

In 2024, Dr. Gaspar wrote 360 Medicare Part D claims for 216 patients. 91% of them were for generic drugs. CMS names the drug for 224 of them, across 11 drugs with 11 or more claims each, at $2,485 in total drug cost.

Part D claims, 2024360
Drugs named by CMS11
Total drug cost$2,485
Part D patients216

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

  • Generic328 claims91%
  • Brand-name32 claims9%

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

  • Opioids11%39 of 360 claims
  • Antibiotics36%128 of 360 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. Gaspar

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. Melissa Ann Gaspar takes part in Medicare

Dr. Gaspar 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. Melissa Ann Gaspar graduated from University of Missouri School of Medicine

Dr. Gaspar graduated from University of Missouri School of Medicine in 2020.

  1. Medical schoolUniversity of Missouri School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Melissa Ann Gaspar accepts plans from 2 insurance carriers

Dr. Gaspar 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. Gaspar accepts, by number of carriers

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

Source: Dmand AI Insurance Network Data

Sources for Dr. Melissa Ann Gaspar'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)
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. Melissa Ann Gaspar

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. Melissa Ann Gaspar's NPI number?

Dr. Melissa Ann Gaspar's NPI number is 1588291496. It was assigned on March 23, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. Melissa Ann Gaspar?

Dr. Melissa Ann Gaspar is an emergency medicine physician in Vacaville, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Melissa Ann Gaspar practice?

Dr. Gaspar practices at 1 Quality Drive, Vacaville, CA 95688. Dr. Gaspar's primary practice is Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente. Dmand AI also links Dr. Gaspar to 1 clinical lab.

What is Dr. Melissa Ann Gaspar's office phone number?

The practice phone on file for Dr. Gaspar is (707) 624-4000.

What is Dr. Melissa Ann Gaspar's medical license number?

Dr. Gaspar's California license number on file is 191263.

Which hospitals is Dr. Melissa Ann Gaspar affiliated with?

Dr. Gaspar practices at Vacaville Medical Center in Vacaville, California.

What medical group is Dr. Melissa Ann Gaspar part of?

Dr. Gaspar is linked to The Permanente Medical Group, Inc.

Does Dr. Melissa Ann Gaspar accept Medicare?

Yes. CMS data shows Dr. Gaspar billed Medicare for 50 services in 2024, and Dr. Gaspar accepts Medicare assignment.

How many Medicare patients does Dr. Melissa Ann Gaspar see?

CMS counts 54 Medicare patients who saw Dr. Gaspar in 2024, with an average age of 68.

Is Dr. Melissa Ann Gaspar board certified?

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

Show 5 more questionsShow fewer questions

What services does Dr. Melissa Ann Gaspar bill to Medicare?

In 2024, Dr. Gaspar's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).

Where did Dr. Melissa Ann Gaspar go to medical school?

Dr. Gaspar graduated from University of Missouri School of Medicine in 2020.

What drugs does Dr. Melissa Ann Gaspar prescribe most?

In 2024 Medicare Part D data, Dr. Gaspar's most prescribed drugs by claims were Cefpodoxime Proxetil, Ondansetron ODT and Amoxicillin-Clavulanate Potass.

How long has Dr. Melissa Ann Gaspar been practicing?

Dr. Gaspar graduated from medical school in 2020, 6 years ago.

What insurance does Dr. Melissa Ann Gaspar accept?

Dr. Gaspar 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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