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ANNA NATASHA WILLIAMS MD
NPI 1750918751
Emergency Medicine in Cleveland, OH

Active since March 27, 2020PECOS EnrolledAccepts Medicare Assignment
11100 EUCLID AVE, CLEVELAND, OH 44106(202) 431-9522(216) 844-1949 Get Directions Write a Review

NPPES record last updated: March 27, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Anna Natasha Williams Md NPPES

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

ANNA NATASHA WILLIAMS MD (NPI 1750918751) is an individual emergency medicine provider in Cleveland, Ohio, licensed in Ohio (57.249080) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Avon Hospital, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1750918751
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameANNA NATASHA WILLIAMSCredential: MD
Location Address11100 EUCLID AVECleveland, OH 44106-1716
Mailing Address11100 Euclid AveCleveland, OH 44106-1716
Phone(202) 431-9522
Fax(216) 844-1949
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 27, 2020
NPPES CertifiedMarch 27, 2020
✔ NPI 1750918751 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in OH · 57.249080
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
11100 EUCLID AVE, Cleveland, OH 44106
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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

Anna Natasha Williams 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 ID3870946742
PECOS Enrollment IDI20240126001643
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 Reassignment

Medicare enrollment records show Anna Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Cleveland Clinic Foundation
0.9 mi
General Acute Care Hospital
9500 EUCLID AVE
Cleveland, OH 44195
  • Reassigned Medicare billing, Ohio enrollment
  • 7,608 clinicians in this Medicare group
NPI 1679525919 (216) 444-2200

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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
368 services357 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
262 services237 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
60 services59 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
48 services46 patients

Hospital Affiliations CMS Care Compare

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

Cleveland Clinic Avon Hospital

Acute Care Hospitals · Avon, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360364
Location33300 Cleveland Clinic BlvdAvon, OH 44011 · Lorain County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44106 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
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

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.

DR. YU HYON KIM MD
Ophthalmology
11100 EUCLID AVE
CLEVELAND, OH 44106
Cuyahoga County (216) 844-3601
JENNIFER LYNN PARRY RN, CPNP
Nurse Practitioner (Pediatrics)
11100 EUCLID AVE
CLEVELAND, OH 44106
Cuyahoga County (216) 983-5691
RAINBOW BABIES & CHILDREN'S HOSPITAL
General Acute Care Hospital (Children)
11100 EUCLID AVE, RBC 637
CLEVELAND, OH 44106
Cuyahoga County (216) 983-5261
DR. KA CHUN ALAN CHAN M.D
Student in an Organized Health Care Education/Training Program
11100 EUCLID AVE, UNIVERSITY HOSPITALS CASE MEDICAL CENTER
CLEVELAND, OH 44106
Cuyahoga County (216) 844-1000
DR. CHOR CHEUNG TAM M.D.
Student in an Organized Health Care Education/Training Program
11100 EUCLID AVE, UNIVERSITY HOSPITALS CASE MEDICAL CENTER
CLEVELAND, OH 44106
Cuyahoga County (216) 333-8948
DOMINIC CERCONE
Student in an Organized Health Care Education/Training Program
11100 EUCLID AVE
CLEVELAND, OH 44106
Cuyahoga County (216) 844-1000
DR. CHRISTOPHER FELCHLIA MD
Anesthesiology
11100 EUCLID AVE
CLEVELAND, OH 44106
Cuyahoga County (216) 844-2273
GABRIELLA MARGUERITE RUSTIA MD
Student in an Organized Health Care Education/Training Program
11100 EUCLID AVE
CLEVELAND, OH 44106
Cuyahoga County (216) 844-8570

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 Anna Williams's NPI number?

The NPI number for Anna Williams is 1750918751. It was assigned to this individual provider in the NPPES registry on March 27, 2020.

Where is Anna Williams located?

Anna Williams practices at 11100 Euclid Ave, Cleveland, OH 44106. The listed phone number is (202) 431-9522.

What is Anna Williams's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Anna Williams enrolled in Medicare?

Yes. Anna Williams 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 organization bills Medicare for Anna Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Williams reassigns Medicare benefits to The Cleveland Clinic Foundation (Cleveland, OH). The 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 Anna Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Anna Williams affiliated with any hospitals?

According to CMS data, Anna Williams is affiliated with Cleveland Clinic Avon Hospital.

When was this NPI record last updated?

The NPPES record for Anna Williams was last updated on March 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.