Doctor profile · Federal record

Dr. Heidi Griggs, DO

Internal Medicine Physician (CMS: Internal Medicine) · Portage, MI

  • NPI 1902876477
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2600 W Centre Ave
Portage, MI 490244828
(269) 324-4141
fax (269) 324-2020

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
November 27, 2023
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #5101011607
Medicaid
MI #3355152

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902876477. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
376
Distinct HCPCS
4
Medicare allowed
$18,896
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 170 137 $79
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 122 122 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 56 44 $75
99421 Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes 28 21 $13

In context: peer comparison

Among 5 peers in this city , average services per provider: 125. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$278
Transactions
13
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $54.05
Inspire Medical Systems, Inc. 1 $41.10
Amgen Inc. 2 $38.17
Lilly USA, LLC 2 $36.55
Novartis Pharmaceuticals Corporation 2 $35.50
Dexcom, Inc. 2 $32.27
ABBVIE INC. 1 $22.40
Phathom Pharmaceuticals, Inc. 1 $18.19

By nature of payment

Food and Beverage
$278

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,846
Patients
818
Total drug cost
$52,921
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 413 114 $7,104
Levothyroxine Sodium Generic 410 115 $8,621
Amlodipine Besylate Generic 277 84 $4,063
Lisinopril Generic 260 70 $3,382
Pravastatin Sodium Generic 190 57 $3,680
Metformin Hcl Generic 163 41 $2,218
Metoprolol Succinate Generic 162 46 $3,940
Omeprazole Generic 151 49 $2,819
Alprazolam Generic 148 41 $936
Rosuvastatin Calcium Generic 142 46 $2,706

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Heidi Griggs's medical specialty?
Dr. Heidi Griggs practices Internal Medicine Physician in Portage, MI.
Where does Dr. Heidi Griggs practice?
Dr. Heidi Griggs practices at 2600 W Centre Ave, Portage, MI 490244828. Office phone: 2693244141.
What is Dr. Heidi Griggs's NPI?
Dr. Heidi Griggs's National Provider Identifier (NPI) is 1902876477, issued by NPPES.
Does Dr. Heidi Griggs accept Medicare assignment?
Yes. Dr. Heidi Griggs accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heidi Griggs commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.