MRS. MARTHA L GRAY (MD) – Internal Medicine Physician, NPI 1801892294
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
7,218 INTERNAL MEDICINE in MI
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Provider Addresses for MRS. MARTHA L GRAY (MD)
Partners in Internal Medicine, 2200, Green Road, Ann Arbor, Washtenaw County, Michigan, 48105, United States
SUITE B
ANN ARBOR, MI 48105
Phone: (734) 994-7446
Fax: (734) 263-8590
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-10-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20091008000216 | I | Internal Medicine | MI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 552 | 294 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 171 | 147 | $0 |
| 83036 | Hemoglobin a1c level | 169 | 93 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 150 | 150 | $0 |
| 90694 | Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 101 | 101 | $0 |
Insurance plans in this area (ZIP 48105)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| Internal Medicine | MI | |
| Internal Medicine | MI | |
| - | MI | |
| Geriatric Medicine | MI | |
| Internal Medicine | MI | |
| Family Practice | MI | |
| - | MI |
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