Dr. Adam B. Longwater, MD
- Medicare services, 2024
- 722
- Medicare patients, 2024
- 487
- Part D claims, 2024
- 484
- MIPS score, 2024
- 98
- Hospital affiliations
- 5
- Practice address
- 1060 First Colonial Road, Virginia Beach, VA 23454
- Practice phone
- Call (757) 395-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Longwater's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Adam B. Longwater is an emergency medicine physician in Virginia Beach, Virginia
Dr. Longwater practices at Sentara Virginia Beach General Hospital in Virginia Beach, Virginia, part of Sentara Health.
Dr. Longwater's NPI, 1407887839, was assigned on July 5, 2006. Dr. Longwater graduated from Mercer University School of Medicine in 1999. Dr. Longwater holds Virginia license 0101234985.
- NPI
- 1407887839NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638062839
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (757) 395-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Adam B. Longwater practices at Sentara Virginia Beach General Hospital in Virginia Beach, Virginia
Dr. Longwater's primary practice is Sentara Virginia Beach General Hospital, at 1060 First Colonial Road, Virginia Beach, VA 23454 in Virginia Beach City. The practice phone is (757) 395-8000.
- Sentara Virginia Beach General Hospital1060 First Colonial Road, Virginia Beach, VA 23454 · Virginia Beach CityPhone(757) 395-8000
Source: Dmand AI Affiliation Data
Dr. Adam B. Longwater is affiliated with 7 sites of care and 2 medical groups
Dr. Longwater's primary practice is Sentara Virginia Beach General Hospital in Virginia Beach, Virginia, part of Sentara Health. Dr. Longwater is also affiliated with Sentara Princess Anne Hospital. The medical group on file is Emergency Physicians of Tidewater. Dmand AI also links Dr. Longwater to 3 more hospitals, 2 group practices and clinics and 1 medical group, 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. Adam B. Longwater's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Longwater practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sentara Virginia Beach General Hospital | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Adam B. Longwater is one of 1,686 emergency medicine physicians in Virginia
Emergency medicine is Dr. Longwater's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Longwater is licensed in Virginia.
Specialties and state licenses
- Emergency medicine, VirginiaPrimary
Emergency medicine physicians near Dr. Longwater
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. Adam B. Longwater billed Medicare for 722 services in 2024
CMS data shows 722 Medicare services from Dr. Longwater across 4 procedure codes in 2024, for 487 Medicare patients. Medicare paid $65,975 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Longwater's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4972024: 5092%
- Tests and treatments
- 2023: 2492024: 21314%
Dr. Longwater compared with the Virginia median for emergency medicine physicians, 2024
- Dr. Longwater
- Virginia median
- Medicare services
- 722vs 3112.3 times
- Medicare patients
- 487vs 30759% above
- Part D claims
- 329vs 595.6 times
Medians across 1,632 emergency medicine physicians in Virginia with Dmand AI profiles that report each measure.
Dr. Longwater'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. Adam B. Longwater treated 487 Medicare patients in 2024, average age 75
CMS counts 487 Medicare patients who saw Dr. Longwater in 2024. The largest group is 75 to 84, with 181 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.68, 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. Longwater's median patient age at 40, with 65% women.
Dr. Longwater's Medicare patients by age, 2024
Dr. Longwater's Medicare patients by sex, 2024
- Women28158%
- Men20642%
Chronic conditions among Dr. Longwater's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Anxiety39%
- Diabetes36%
- Ischemic heart disease35%
- Mood disorders35%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Longwater's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Adam B. Longwater wrote 484 Medicare Part D claims in 2024
In 2024, Dr. Longwater wrote 484 Medicare Part D claims for 268 patients. 95% of them were for generic drugs. CMS names the drug for 329 of them, across 12 drugs with 11 or more claims each, at $2,184 in total drug cost. In 2023, CMS named 302 claims across 11 drugs.
Dr. Longwater's Part D claims by kind of drug, 2024
- Generic462 claims95%
- Brand-name22 claims5%
Dr. Longwater'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. Longwater's Part D claims, 2024
- Opioids12%59 of 484 claims
- Antibiotics21%104 of 484 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: 3022024: 3299%
Drugs named by CMS: 12 in 2024, 11 in 2023.
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 B. Longwater scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Longwater for performance year 2024, reported as part of a group. Dr. Longwater accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Longwater's MIPS scores, performance year 2024
- 98of 100Final score
- 95of 100Quality
- 40of 100Improvement Activities
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. Adam B. Longwater graduated from Mercer University School of Medicine
Dr. Longwater graduated from Mercer University School of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Adam B. Longwater'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 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Adam B. Longwater
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 B. Longwater's NPI number?
Dr. Adam B. Longwater's NPI number is 1407887839. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Adam B. Longwater?
Dr. Adam B. Longwater is an emergency medicine physician in Virginia Beach, Virginia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Adam B. Longwater practice?
Dr. Longwater practices at 1060 First Colonial Road, Virginia Beach, VA 23454. Dr. Longwater's primary practice is Sentara Virginia Beach General Hospital in Virginia Beach, Virginia, part of Sentara Health. Dmand AI also links Dr. Longwater to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Adam B. Longwater's office phone number?
The practice phone on file for Dr. Longwater is (757) 395-8000.
What is Dr. Adam B. Longwater's medical license number?
Dr. Longwater holds Virginia license 0101234985.
Which hospitals is Dr. Adam B. Longwater affiliated with?
Dr. Longwater practices at Sentara Virginia Beach General Hospital in Virginia Beach, Virginia. Dr. Longwater is also affiliated with Sentara Princess Anne Hospital. Dmand AI links Dr. Longwater to 3 more hospitals.
What medical group is Dr. Adam B. Longwater part of?
Dr. Longwater is linked to Emergency Physicians of Tidewater. Dmand AI links Dr. Longwater to 1 more medical group.
Does Dr. Adam B. Longwater accept Medicare?
Yes. CMS data shows Dr. Longwater billed Medicare for 722 services in 2024, and Dr. Longwater accepts Medicare assignment.
What is Dr. Adam B. Longwater's MIPS score?
Dr. Longwater's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.
How many Medicare patients does Dr. Adam B. Longwater see?
CMS counts 487 Medicare patients who saw Dr. Longwater in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Adam B. Longwater bill to Medicare?
In 2024, Dr. Longwater's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Adam B. Longwater go to medical school?
Dr. Longwater graduated from Mercer University School of Medicine in 1999.
What drugs does Dr. Adam B. Longwater prescribe most?
In 2024 Medicare Part D data, Dr. Longwater's most prescribed drugs by claims were Ondansetron ODT, Prednisone and Tramadol HCl.
How long has Dr. Adam B. Longwater been practicing?
Dr. Longwater graduated from medical school in 1999, 27 years ago.
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