What is Andrew Zasada's NPI number?

Andrew Zasada's National Provider Identifier (NPI) is 1679590269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Andrew Zasada's specialty?

Andrew Zasada is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).

Where is Andrew Zasada located?

Andrew Zasada's practice location on file with NPPES is 1000 Health Center Drive, Mattoon, IL 61938.

What is Andrew Zasada's phone number?

The practice phone number listed in the NPPES registry for Andrew Zasada is (217) 238-4325.

Does Andrew Zasada accept Medicare?

Andrew Zasada is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Andrew Zasada's NPI active?

Yes — Andrew Zasada's NPI (1679590269) is active in the NPPES registry as of the last update on 2023-08-22.

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Andrew Zasada, M.D.

NPI 1679590269 · Hospitalist Physician · Mattoon, IL

Andrew Zasada, M.D. is a Hospitalist Physician provider in Mattoon, IL (NPI 1679590269).

Provider details

NPI number: 1679590269
Entity type: Individual
Primary specialty: Hospitalist PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 036-074571 (IL)

Practice location

1000 Health Center Drive

Mattoon, IL 61938

Phone: (217) 238-4325

Street-level locationGet directions

More IL providers

Mailing address

1000 Health Center Drive

Mattoon, IL 61938

Specialties & taxonomies

Hospitalist PhysicianPrimary208M00000XLicense 036-074571 (IL)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense 036-074571 (IL)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense 183698-1 (NY)
Allopathic & Osteopathic Physicians

Additional practice locations (1)

200 E Fairman Ave
Watseka, IL 60970-1644
Phone: (815) 432-5841

Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(74/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
2 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
187 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Emergency Department Visit With High Level of Medical Decision Making99285	121	$172
Emergency Department Visit With Moderate Level of Medical Decision Making99284	66	$119

Typical Medicare-allowed amounts for these services range $119–$172 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim	32	31
Azithromycin	31	28
Diclofenac Sodiumbrand: Diclofenac Sodium Er	29	29
Tramadol Hcl	29	28
Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen	23	23
Naproxen	22	21
Montelukast Sodium

Enumerated: 2006-07-17
Last updated: 2023-08-22
Certified: 2023-08-22

Frequently asked questions

What is Andrew Zasada's NPI number?: Andrew Zasada's National Provider Identifier (NPI) is 1679590269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Andrew Zasada's specialty?: Andrew Zasada is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
Where is Andrew Zasada located?: Andrew Zasada's practice location on file with NPPES is 1000 Health Center Drive, Mattoon, IL 61938.
What is Andrew Zasada's phone number?: The practice phone number listed in the NPPES registry for Andrew Zasada is (217) 238-4325.
Does Andrew Zasada accept Medicare?: Andrew Zasada is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Andrew Zasada's NPI active?: Yes — Andrew Zasada's NPI (1679590269) is active in the NPPES registry as of the last update on 2023-08-22.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Emergency Department Visit With High Level of Medical Decision Making99285	121	$172
Emergency Department Visit With Moderate Level of Medical Decision Making99284	66	$119

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim	32	31
Azithromycin	31	28
Diclofenac Sodiumbrand: Diclofenac Sodium Er	29	29
Tramadol Hcl	29	28
Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen	23	23
Naproxen	22	21
Montelukast Sodium

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (1)

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (1)

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)