Doctor profile · Federal record

Dr. William Graff, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Manchester, NH

  • NPI 1801872825
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 McGregor St
Manchester, NH 031023730
(603) 663-6657
fax (603) 663-6915

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
March 15, 2021
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
New Hampshire #8159
Medicaid
NH #80000292

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801872825. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,769
Distinct HCPCS
10
Medicare allowed
$122,625
HCPCS Description Services Patients Avg allowed
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 433 424 $68
99214 Established patient office or other outpatient visit, 30-39 minutes 202 161 $126
93793 Anticoagulant management of patient taking warfarin 154 63 $12
99214 Established patient office or other outpatient visit, 30-39 minutes 136 122 $97
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 101 69 $79
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 86 86 $14
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 71 70 $3
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 68 66 $129
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 58 51 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 58 55 $90

In context: peer comparison

Among 14 peers in this city , average services per provider: 98. This provider delivers 18× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,776
Patients
580
Total drug cost
$323,733
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 346 118 $7,129
Atorvastatin Calcium Generic 181 60 $3,258
Eliquis (Apixaban) Brand 173 57 $228,059
Amlodipine Besylate Generic 165 52 $1,411
Lisinopril Generic 164 49 $2,089
Furosemide Generic 135 55 $958
Losartan Potassium Generic 112 34 $1,768
Metoprolol Tartrate Generic 87 29 $1,014
Carvedilol Generic 79 25 $1,359
Isosorbide Mononitrate Er (Isosorbide Mononitrate) Brand 73 19 $1,577

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Graff's medical specialty?
Dr. William Graff practices Cardiovascular Disease Physician in Manchester, NH.
Where does Dr. William Graff practice?
Dr. William Graff practices at 100 McGregor St, Manchester, NH 031023730. Office phone: 6036636657.
What is Dr. William Graff's NPI?
Dr. William Graff's National Provider Identifier (NPI) is 1801872825, issued by NPPES.
Does Dr. William Graff accept Medicare assignment?
Yes. Dr. William Graff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Graff commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Established patient office or other outpatient visit (HCPCS 99214); Anticoagulant management of patient taking warfarin (HCPCS 93793). Source: CMS Medicare Physician & Other Practitioners file.