DR. CHRISTY LYNN ANNIS (M.D.) – Emergency Medicine Physician, NPI 1104042597

DR. CHRISTY LYNN ANNIS (M.D.) is a healthcare provider. based in Mishawaka, Indiana. specializing in Emergency Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 036.125342 (IL). The NPI Number for DR. CHRISTY LYNN ANNIS (M.D.) is 1104042597

Main info

Female
20 Years Of Experience
Accepts Medicare Assignment
Name
DR. CHRISTY LYNN ANNIS (M.D.)
NPI
1104042597
Phone
(574) 335-5000
Address
5215 HOLY CROSS PKWY
Enumeration Date
17 April 2007
Last Update Date
16 December 2011

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5745233160
Graduation Year
2006 (20 years ago)
PAC ID
0345395018
Group Practice PAC ID
8022087642
Professional Enrollment ID
I20110816000539
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience70
Completeness75
Years active:19State licenses:3Digital endpointsOther names

Provider Addresses for DR. CHRISTY LYNN ANNIS (M.D.)

  • 5215 HOLY CROSS PKWY

    EMERGENCY DEPARTMENT

    MISHAWAKA, IN 465451469

    Phone: (574) 335-5000

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2011-08-16

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20110816000539IEmergency MedicineINTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99285Emergency department visit with high level of medical decision making221211$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only186176$0
99284Emergency department visit with moderate level of medical decision making6059$0
99291Critical care, first 30-74 minutes4644$0
View full utilization report →

Insurance plans in this area (ZIP 46545)

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Provider's Procedures

DR. CHRISTY LYNN ANNIS (M.D.) performs procedures in Emergency Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
EMERGENCY MEDICINEIN93010Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report263237

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8022087642View full group profile
NameSpecialtyState
Nurse PractitionerIN
Emergency MedicineLA
Emergency MedicineIN
Emergency MedicineIN
Emergency MedicineTN
-IN
Emergency MedicineIN
Emergency MedicineIN
Nurse PractitionerIN
Emergency MedicineMI

Reviews

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Frequently asked questions

What NPI should I save for DR. CHRISTY LYNN ANNIS (M.D.)?
Save NPI 1104042597 if you need a stable reference for DR. CHRISTY LYNN ANNIS (M.D.).
Is DR. CHRISTY LYNN ANNIS (M.D.)'s NPI currently valid?
The extract we use shows DR. CHRISTY LYNN ANNIS (M.D.) as active.
Does DR. CHRISTY LYNN ANNIS (M.D.) list a primary specialty?
If you are matching referrals, note Emergency Medicine Physician for DR. CHRISTY LYNN ANNIS (M.D.). Clinical services aligned with this taxonomy classification.
What location shows for DR. CHRISTY LYNN ANNIS (M.D.)?
We surface Mishawaka, Indiana for DR. CHRISTY LYNN ANNIS (M.D.) based on available NPPES addresses.
What if Mishawaka, Indiana seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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