Doctor profile · Federal record

Dr. Heidi Chatham, M.D

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Buffalo Grove, IL

  • NPI 1659509834
  • Accepts Medicare
  • MIPS 89.7 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15 S McHenry RD
Buffalo Grove, IL 600896705
(847) 618-0351
fax (847) 618-0766

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
October 5, 2021
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Illinois #036128521 · Wisconsin #57078

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659509834. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
799
Distinct HCPCS
10
Medicare allowed
$90,440
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 214 179 $95
99214 Established patient office or other outpatient visit, 30-39 minutes 202 139 $134
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 164 164 $136
G0008 Administration of influenza virus vaccine 51 49 $32
90662 Influenza vaccine split virus, preservative free 50 48 $72
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 30 30 $175
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 28 27 $15
G0009 Administration of pneumococcal vaccine 24 24 $32
99495 Transitional care management services for problem of at least moderate complexity 20 16 $216
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 16 16 $282

In context: peer comparison

Among 8 peers in this city , average services per provider: 90. This provider delivers 8.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,361
Patients
634
Total drug cost
$40,760
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 352 90 $6,881
Atorvastatin Calcium Generic 342 101 $4,758
Lisinopril Generic 202 57 $2,762
Amlodipine Besylate Generic 192 51 $2,245
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 151 24 $5,106
Losartan Potassium Generic 148 40 $3,051
Hydrochlorothiazide Generic 144 39 $1,188
Alprazolam Generic 126 36 $988
Simvastatin Generic 118 36 $1,604
Pravastatin Sodium Generic 114 30 $3,501

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Heidi Chatham's medical specialty?
Dr. Heidi Chatham practices Family Medicine Physician in Buffalo Grove, IL.
Where does Dr. Heidi Chatham practice?
Dr. Heidi Chatham practices at 15 S McHenry RD, Buffalo Grove, IL 600896705. Office phone: 8476180351.
What is Dr. Heidi Chatham's NPI?
Dr. Heidi Chatham's National Provider Identifier (NPI) is 1659509834, issued by NPPES.
Does Dr. Heidi Chatham accept Medicare assignment?
Yes. Dr. Heidi Chatham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heidi Chatham commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.