Erica C. Nakajima
- Medicare services, 2023
- 24
- Part D claims, 2020
- 27
- MIPS score, 2024
- 83
- Medical group
- 1
- State license
- 1
- Practice address
- 5255 Loughboro Rd NW, Washington, DC 20016
- Practice phone
- Call (202) 537-4680
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Erica Nakajima'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.
Erica C. Nakajima is an internist in Washington, District of Columbia
Erica Nakajima practices at Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System.
Erica Nakajima's NPI, 1003203134, was assigned on April 15, 2015. Erica Nakajima graduated from University of Pittsburgh School of Medicine in 2015. Erica Nakajima holds Maryland license D0088660.
- NPI
- 1003203134NPI Registry (opens in a new tab)
- NPI enumeration date
- April 15, 2015
- NPI status
- Active
- Practice phone
- (202) 537-4680
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Erica C. Nakajima practices at Sibley Memorial Hospital in Washington, District of Columbia
Erica Nakajima's primary practice is Sibley Memorial Hospital, at 5255 Loughboro Rd NW, Washington, DC 20016 in The District County. The practice phone is (202) 537-4680.
- Sibley Memorial Hospital5255 Loughboro Rd NW, Washington, DC 20016 · The District CountyPhone(202) 537-4680
Source: Dmand AI Affiliation Data
Erica C. Nakajima is affiliated with 1 medical group
Erica Nakajima's primary practice is Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System. The medical group on file is MedStar Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Erica C. Nakajima's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Erica Nakajima practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sibley Memorial Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Johns Hopkins Health System and 6.2K+ hospitals, with verified contacts in the same login.
Erica C. Nakajima is one of 660 internists in District of Columbia
Internal medicine is Erica Nakajima's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Erica Nakajima is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Erica Nakajima
Counts of internists 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
Erica C. Nakajima billed Medicare for 24 services in 2023
CMS data shows 24 Medicare services from Erica Nakajima across 1 procedure code in 2023. Medicare paid $2,387 for them. Every service was in a facility, such as a hospital, rather than an office.
Erica Nakajima compared with the District of Columbia median for internists, 2023
- Erica Nakajima
- District of Columbia median
- Medicare services
- 24vs 35493% below
- Part D claims
- 27vs 11075% below
Medians across 591 internists in District of Columbia with Dmand AI profiles that report each measure.
Erica Nakajima's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Erica Nakajima?
Medicare shows one payer. Book a meeting to get commercial claims data for Erica Nakajima and other internists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Erica C. Nakajima's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Erica Nakajima's median patient age at 77, with 100% women.
Erica Nakajima's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Erica C. Nakajima wrote 27 Medicare Part D claims in 2020
In 2020, Erica Nakajima wrote 27 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $648 in total drug cost. In 2019, CMS named 45 claims across 4 drugs.
Erica Nakajima's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 452020: 2740%
Drugs named by CMS: 2 in 2020, 4 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Erica C. Nakajima scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Erica Nakajima for performance year 2024, reported as part of a group.
Erica Nakajima's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Erica C. Nakajima graduated from University of Pittsburgh School of Medicine
Erica Nakajima graduated from University of Pittsburgh School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Erica C. Nakajima'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | 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 Erica C. Nakajima
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Erica C. Nakajima's NPI number?
Erica C. Nakajima's NPI number is 1003203134. It was assigned on April 15, 2015, and it is active in the NPI Registry.
What does Erica C. Nakajima specialize in?
Erica C. Nakajima is an internist in Washington, District of Columbia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Erica C. Nakajima practice?
Erica Nakajima practices at 5255 Loughboro Rd NW, Washington, DC 20016. Erica Nakajima's primary practice is Sibley Memorial Hospital in Washington, District of Columbia, part of Johns Hopkins Health System.
What is Erica C. Nakajima's office phone number?
The practice phone on file for Erica Nakajima is (202) 537-4680.
What is Erica C. Nakajima's medical license number?
Erica Nakajima holds Maryland license D0088660.
Which hospitals is Erica C. Nakajima affiliated with?
Erica Nakajima practices at Sibley Memorial Hospital in Washington, District of Columbia.
What medical group is Erica C. Nakajima part of?
Erica Nakajima is linked to MedStar Medical Group.
Does Erica C. Nakajima accept Medicare?
Yes. CMS data shows Erica Nakajima billed Medicare for 24 services in 2023.
What is Erica C. Nakajima's MIPS score?
Erica Nakajima's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
What services does Erica C. Nakajima bill to Medicare?
In 2023, Erica Nakajima's most billed Medicare services were hospital inpatient care (99233).
Show 3 more questionsShow fewer questions
Where did Erica C. Nakajima go to medical school?
Erica Nakajima graduated from University of Pittsburgh School of Medicine in 2015.
What drugs does Erica C. Nakajima prescribe most?
In 2020 Medicare Part D data, Erica Nakajima's most prescribed drugs by claims were Prochlorperazine Maleate and Oxycodone HCl.
How long has Erica C. Nakajima been practicing?
Erica Nakajima graduated from medical school in 2015, 11 years ago.
Selling to internal medicine practices?
See internists in District of Columbia by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card