ERNESTINA OPOKU TWUMWAA
NPI 1720894900
Physician Assistant in Boston, MA

Q: What is Ernestina Opoku Twumwaa's NPI number?

The NPI number for Ernestina Opoku Twumwaa is 1720894900. It was assigned to this individual provider in the NPPES registry on December 3, 2024.

Q: What is Ernestina Opoku Twumwaa's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Active since December 03, 2024PECOS Enrolled

136 HARRISON AVE, BOSTON, MA 02111(508) 239-9763 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 5, 2026, Dec 3, 2024 (2 updates tracked since 2024).

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About Ernestina Opoku Twumwaa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ERNESTINA OPOKU TWUMWAA (NPI 1720894900) is an individual physician assistant in Boston, Massachusetts, licensed in New Mexico (PA2026-0012) and active in the NPI registry since December 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in Roswell, and is a graduate of Tufts University School Of Medicine (2026).

NPPES Registry Identity

NPI1720894900

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameERNESTINA OPOKU TWUMWAA

Location Address136 HARRISON AVEBoston, MA 02111-1817

Mailing Address136 Harrison AveBoston, MA 02111-1817 · (508) 239-9763

Phone(508) 239-9763

Sole ProprietorNo

Medical School CMSTufts University School Of MedicineGraduated 2026

Enumeration DateDecember 3, 2024

Last NPPES UpdateMay 5, 20262 updates tracked since enumeration

NPPES CertifiedMay 5, 2026

✔ NPI 1720894900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in NM · PA2026-0012

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

136 HARRISON AVE, Boston, MA 02111

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Secondary Practice Location 1

Location 1115 E 19th StRoswell, NM 88201-5110 · Phone (575) 622-7600 · Fax (505) 727-9590

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ernestina Opoku Twumwaa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID42788549

PECOS Enrollment IDI20260504005251

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KELLY E FARRELL

Physician Assistant