Internal Medicine · Ann Arbor, MI
NPI
1801892294
Since 2005
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
2200 Green Rd, Suite B
Ann Arbor, MI, 48105
Phone (734) 994-7446
Groups this clinician bills Medicare through
Medicare paid, 2024
$69K
1,908 services
Medicare patients, 2024
443
Average age 77
Drug cost, 2024
$853K
11,537 prescriptions
Company payments
-
None reported
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Martha L Gray was code 99214 (office e&m - established), 444 times for 248 patients. In total Martha L Gray billed 1,908 services in 37 codes, and Medicare paid $69K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-06-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 444 | 248 | $45.41 | $20K |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 236 | 236 | $49.61 | $12K |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 199 | 154 | $12.70 | $2,527 |
| 83036 Blood Count | Office | 163 | 83 | $9.52 | $1,552 |
| 99213 Office E&M - Established | Office | 154 | 125 | $33.03 | $5,086 |
| G0008 Administration of influenza virus vaccine | Office | 109 | 108 | $32.71 | $3,565 |
| 90653 Vaccine Product | Office | 105 | 105 | $70.56 | $7,409 |
| 99497 Care Management/Coordination | Office | 94 | 93 | $9.11 | $856 |
| G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Office | 33 | 33 | $78.52 | $2,591 |
| 93000 Electrocardiogram | Office | 16 | 15 | $10.05 | $161 |
| 87811 Immunoassay | Office | 14 | 14 | $40.55 | $568 |
| 87804 Immunoassay | Office | 12 | 12 | $16.22 | $195 |
| 90677 Vaccine Product | Office | 11 | 11 | $287.90 | $3,167 |
By year: 2022 $81K for 1,891 services; 2023 $80K for 2,159 services; 2024 $69K for 1,908 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 83036 Blood Count | 163 | 83 | $9.52 | $1,552 |
| 87811 Immunoassay | 14 | 14 | $40.55 | $568 |
| 87804 Immunoassay | 12 | 12 | $16.22 | $195 |
Medicare prescription drug claims, 2024
In 2024, the drug Martha L Gray prescribed most often to Medicare patients was Atorvastatin Calcium, with 897 prescriptions and refills. In total Martha L Gray wrote 11,537 Medicare prescriptions that cost $853K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 897 | 2,434 | 249 | $13K |
| Levothyroxine Sodium Generic | 662 | 1,722 | 165 | $7,704 |
| Amlodipine Besylate Generic | 661 | 1,808 | 184 | $5,006 |
| Lisinopril Generic | 629 | 1,710 | 170 | $5,957 |
| Losartan Potassium Generic | 554 | 1,501 | 156 | $8,185 |
| Hydrochlorothiazide Generic | 506 | 1,402 | 140 | $2,589 |
| Simvastatin Generic | 390 | 1,058 | 104 | $4,232 |
| Lovastatin Generic | 363 | 1,005 | 94 | $4,442 |
| Metformin Hcl Generic | 342 | 943 | 94 | $4,017 |
| Omeprazole Generic | 331 | 895 | 86 | $4,831 |
| Furosemide Generic | 309 | 735 | 92 | $2,186 |
| Metoprolol Succinate Generic | 306 | 799 | 80 | $6,043 |
| Sertraline Hcl Generic | 200 | 496 | 54 | $2,185 |
| Atenolol Generic | 178 | 452 | 46 | $1,932 |
| Metoprolol Tartrate Generic | 174 | 436 | 46 | $1,559 |
Brand drugs: 1,212 claims; generic drugs: 10,189 claims; opioid claims: 18.
Money and other things of value reported by the companies
No payments from drug or medical device companies to Martha L Gray were reported in the years we have.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.