Dr. Molly P. Hallweaver, MD
- Medicare services, 2024
- 274
- Medicare patients, 2024
- 270
- Part D claims, 2024
- 26
- Hospital affiliations
- 1
- Industry payments
- $107
- Practice address
- 2315 Stockton Boulevard, Sacramento, CA 95817
- Practice phone
- Call (916) 734-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hallweaver's professional email, personal email and mobile number
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Dr. Molly P. Hallweaver is an emergency medicine physician in Sacramento, California
Dr. Hallweaver practices at UC Davis Medical Center in Sacramento, California, part of University of California Health.
Dr. Hallweaver's NPI, 1134655905, was assigned on May 11, 2017. Dr. Hallweaver graduated from Tufts University School Of Medicine in 2017. Dr. Hallweaver holds California license A159039.
- NPI
- 1134655905NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133552441
- NPI enumeration date
- May 11, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 734-2011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Molly P. Hallweaver practices at UC Davis Medical Center in Sacramento, California
Dr. Hallweaver's primary practice is UC Davis Medical Center, at 2315 Stockton Boulevard, Sacramento, CA 95817 in Sacramento County. The practice phone is (916) 734-2011.
- UC Davis Medical Center2315 Stockton Boulevard, Sacramento, CA 95817 · Sacramento CountyPhone(916) 734-2011
Source: Dmand AI Affiliation Data
Dr. Molly P. Hallweaver is affiliated with 1 site of care and 4 medical groups
Dr. Hallweaver's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. The medical group on file is UC Davis Medical Group. Dmand AI also links Dr. Hallweaver to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Molly P. Hallweaver's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hallweaver practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UC Davis Medical Center | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Molly P. Hallweaver is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Hallweaver's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hallweaver is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Hallweaver is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Hallweaver
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. Molly P. Hallweaver billed Medicare for 274 services in 2024
CMS data shows 274 Medicare services from Dr. Hallweaver across 4 procedure codes in 2024, for 270 Medicare patients. Medicare paid $28,539 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hallweaver's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2782024: 2741%
Dr. Hallweaver compared with the California median for emergency medicine physicians, 2024
- Dr. Hallweaver
- California median
- Medicare services
- 274vs 265Close to median
- Medicare patients
- 270vs 24311% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Hallweaver'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hallweaver and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Molly P. Hallweaver treated 270 Medicare patients in 2024, average age 71
CMS counts 270 Medicare patients who saw Dr. Hallweaver in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 56% are also on Medicaid. Their average risk score is 2.80, 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. Hallweaver's median patient age at 41, with 51% women.
Dr. Hallweaver's Medicare patients by age, 2024
Dr. Hallweaver's Medicare patients by sex, 2024
- Women14855%
- Men12245%
Chronic conditions among Dr. Hallweaver's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis48%
- Diabetes46%
- Mood disorders45%
- Chronic kidney disease44%
- Depression41%
- Heart failure41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hallweaver's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Molly P. Hallweaver wrote 26 Medicare Part D claims in 2024
In 2024, Dr. Hallweaver wrote 26 Medicare Part D claims for 24 patients. 96% of them were for generic drugs.
Dr. Hallweaver's Part D claims by kind of drug, 2024
- Generic25 claims96%
- Brand-name and other1 claims4%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Molly P. Hallweaver takes part in Medicare
Dr. Hallweaver 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. Molly P. Hallweaver received $107 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Hallweaver from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $107.
Companies that paid Dr. Hallweaver the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Molly P. Hallweaver graduated from Tufts University School Of Medicine
Dr. Hallweaver graduated from Tufts University School Of Medicine in 2017.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Molly P. Hallweaver accepts plans from 4 insurance carriers
Dr. Hallweaver is in network with 4 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- NV State Medicaid
Plan types Dr. Hallweaver accepts, by number of carriers
- EPO1
- HMO1
- Medicaid1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Molly P. Hallweaver's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Molly P. Hallweaver
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. Molly P. Hallweaver's NPI number?
Dr. Molly P. Hallweaver's NPI number is 1134655905. It was assigned on May 11, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Molly P. Hallweaver?
Dr. Molly P. Hallweaver is an emergency medicine physician in Sacramento, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Molly P. Hallweaver practice?
Dr. Hallweaver practices at 2315 Stockton Boulevard, Sacramento, CA 95817. Dr. Hallweaver's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. Dmand AI also links Dr. Hallweaver to 3 medical groups.
What is Dr. Molly P. Hallweaver's office phone number?
The practice phone on file for Dr. Hallweaver is (916) 734-2011.
What is Dr. Molly P. Hallweaver's medical license number?
Dr. Hallweaver holds California license A159039.
Which hospitals is Dr. Molly P. Hallweaver affiliated with?
Dr. Hallweaver practices at UC Davis Medical Center in Sacramento, California.
What medical group is Dr. Molly P. Hallweaver part of?
Dr. Hallweaver is linked to UC Davis Medical Group. Dmand AI links Dr. Hallweaver to 3 more medical groups.
Does Dr. Molly P. Hallweaver accept Medicare?
Yes. CMS data shows Dr. Hallweaver billed Medicare for 274 services in 2024, and Dr. Hallweaver accepts Medicare assignment.
How many Medicare patients does Dr. Molly P. Hallweaver see?
CMS counts 270 Medicare patients who saw Dr. Hallweaver in 2024, with an average age of 71.
Is Dr. Molly P. Hallweaver board certified?
Yes. Dr. Hallweaver is board certified in emergency medicine by the American Board of Emergency Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Molly P. Hallweaver bill to Medicare?
In 2024, Dr. Hallweaver's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
Where did Dr. Molly P. Hallweaver go to medical school?
Dr. Hallweaver graduated from Tufts University School Of Medicine in 2017.
Has Dr. Molly P. Hallweaver received payments from drug or device companies?
CMS Open Payments shows $107 in general payments to Dr. Hallweaver from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Molly P. Hallweaver been practicing?
Dr. Hallweaver graduated from medical school in 2017, 9 years ago.
What insurance does Dr. Molly P. Hallweaver accept?
Dr. Hallweaver is in network with 4 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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