Doctor profile · Federal record

Dr. Martha Gillham, M.D.

Internal Medicine Physician (CMS: Hospitalist) · Bellingham, WA

  • NPI 1275532699
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4545 Cordata Pkwy
Bellingham, WA 982267123
(360) 738-2200
fax (360) 752-5683
Mailing address
Po Box 5096
Bellingham, WA 982275096

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
September 30, 2010
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Washington #MD00035167
Medicaid
WA #1275532699

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275532699. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
693
Distinct HCPCS
5
Medicare allowed
$73,314
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 389 173 $117
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 137 70 $78
99239 Hospital discharge day management, more than 30 minutes 134 128 $113
99497 Advance care planning, first 30 minutes 17 14 $74
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 16 11 $49

In context: peer comparison

Among 14 peers in Bellingham Internal Medicine Physician, average services per provider: 112. This provider delivers 6.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
177
Patients
73
Total drug cost
$14,029
Drug Type Claims Patients Total cost
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 34 0 $11,501
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 20 0 $1,128
Atorvastatin Calcium Generic 18 15 $197
Pantoprazole Sodium Generic 16 14 $387
Furosemide Generic 12 0 $53
Cefdinir Generic 11 11 $100
Clopidogrel (Clopidogrel Bisulfate) Brand 11 0 $94
Metoprolol Succinate Generic 11 0 $177
Metoprolol Tartrate Generic 11 0 $63
Ondansetron Odt (Ondansetron) Brand 11 11 $71

Frequently asked questions

Auto-generated from federal data
What is Dr. Martha Gillham's medical specialty?
Dr. Martha Gillham practices Internal Medicine Physician in Bellingham, WA.
Where does Dr. Martha Gillham practice?
Dr. Martha Gillham practices at 4545 Cordata Pkwy, Bellingham, WA 982267123. Office phone: 3607382200.
What is Dr. Martha Gillham's NPI?
Dr. Martha Gillham's National Provider Identifier (NPI) is 1275532699, issued by NPPES.
Does Dr. Martha Gillham accept Medicare assignment?
Yes. Dr. Martha Gillham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martha Gillham commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.