Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. INAS O ALMASRY MD
NPI 1154310746
Internal Medicine in Worcester, MA

Active since October 17, 2005PECOS EnrolledAccepts Medicare Assignment
255 PARK AVE STE 800, WORCESTER, MA 01609(857) 810-0200(774) 823-3800 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 16, 2026, Feb 9, 2023, Apr 1, 2020 and 1 more (4 updates tracked since 2020).

About Mrs. Inas O Almasry Md NPPES

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

MRS. INAS O ALMASRY MD (NPI 1154310746) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (234023) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of Other (1989).

NPPES Registry Identity

NPI1154310746
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMRS. INAS O ALMASRYCredential: MD
Location Address255 PARK AVE STE 800Worcester, MA 01609-1984
Mailing Address255 Park Ave Ste 800Worcester, MA 01609-1984 · (857) 810-0200 · Fax (774) 823-3800
Fax(774) 823-3800
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateOctober 17, 2005
Last NPPES UpdateOctober 16, 20264 updates tracked since enumeration
NPPES CertifiedOctober 16, 2026
✔ NPI 1154310746 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MA · 234023✔ Licensed in IL · 036105675
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · NephrologyTaxonomy 207RN0300X · License 036105675 (IL), 234023 (MA)
255 PARK AVE STE 800, Worcester, MA 01609

Other Identifiers 1

Medicaid1002112MA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Inas O Almasry Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052382389
PECOS Enrollment IDI20071218000255, I20200217001485
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.

Medicare Billing Reassignments

8

Medicare enrollment records show Inas Almasry reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Nephrology
255 PARK AVE STE 800
Worcester, MA 01609
  • Reassigned Medicare billing, Massachusetts and Rhode Island enrollments
  • 2 clinicians in this Medicare group
Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
Specialist
9 GALEN ST
Watertown, MA 02472
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,103 clinicians in this Medicare group
Internal Medicine
819 WORCESTER ST STE 3
Springfield, MA 01151
  • Reassigned Medicare billing, Massachusetts enrollment
  • Medicare enrollment name: Ipc Hospitalists Of New England PC
  • 124 clinicians in this Medicare group
Internal Medicine
41 HIGHLAND AVE
Winchester, MA 01890
  • Reassigned Medicare billing, Massachusetts enrollment
  • 101 clinicians in this Medicare group
Internal Medicine
585 LEBANON ST
Melrose, MA 02176
  • Reassigned Medicare billing, Massachusetts enrollment
  • 176 clinicians in this Medicare group
Clinic/Center
277 PLEASANT ST, 4TH FLOOR
Fall River, MA 02721
  • Reassigned Medicare billing, Massachusetts enrollment
  • 317 clinicians in this Medicare group
Hospitalist
4401 UNION ST
Johnstown, CO 80534
  • Reassigned Medicare billing, Massachusetts enrollment
  • 53 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
108 services24 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
71 services19 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
55 services20 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
26 services15 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
16 services15 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

St Vincent Hospital

Acute Care Hospitals · Worcester, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220176
Location123 Summer StreetWorcester, MA 01608 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01609 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
2 suppliers16 claims24 services$7.56 avg. paid by Medicare
Tape, waterproof, per 18 square inches A4452
DME-Medical/Surgical Supplies · category DA000N
2 suppliers14 claims1,352 services$0.37 avg. paid by Medicare
Tracheostomy care kit for established tracheostomy A4629
DME-Orthotic Devices · category DF000N
1 supplier12 claims42 services$4.05 avg. paid by Medicare
Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing A6196
DME-Medical/Surgical Supplies · category DA023N
2 suppliers17 claims517 services$6.96 avg. paid by Medicare
Conforming bandage, non-elastic, knitted/woven, sterile, width greater than or equal to three inches and less than five inches, per yard A6446
DME-Medical/Surgical Supplies · category DA023N
1 supplier12 claims1,599 services$0.37 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers25 claims25 services$15.49 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

Internal Medicine (Nephrology)
255 PARK AVE STE 800
WORCESTER, MA 01609

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Inas Almasry's NPI number?

The NPI number for Inas Almasry is 1154310746. It was assigned to this individual provider in the NPPES registry on October 17, 2005.

Where is Inas Almasry located?

Inas Almasry practices at 255 Park Ave Ste 800, Worcester, MA 01609. The listed phone number is (857) 810-0200.

What is Inas Almasry's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Inas Almasry enrolled in Medicare?

Yes. Inas Almasry is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Inas Almasry's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Inas Almasry reassigns Medicare benefits to 8 organizations: Grace Medical PC (Worcester, MA), Umass Memorial Medical Group Inc (Worcester, MA), Steward Medical Group, Inc (Watertown, MA), Ipc Hospitalists Of New England, P.C. (Springfield, MA), Winchester Lahey Inpatient Specialists PLLC (Winchester, MA) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Inas Almasry's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Inas Almasry accept?

Health plans from Anthem Blue Cross and Blue Shield list Inas Almasry as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Inas Almasry affiliated with any hospitals?

According to CMS data, Inas Almasry is affiliated with Umass Memorial Medical Center/University Campus and St Vincent Hospital.

When was this NPI record last updated?

The NPPES record for Inas Almasry was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.