ANN M GRYBOSKI (MD) – Internal Medicine Physician, NPI 1053389924
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
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Provider Addresses for ANN M GRYBOSKI (MD)
221, North Street, Hyannis, Barnstable, Barnstable County, Massachusetts, 02601, United States
HYANNIS, MA 026015133
Phone: (508) 862-7777
Type: Mailing
495, Station Avenue, South Yarmouth, Yarmouth, Barnstable County, Massachusetts, 02664, United States
SOUTH YARMOUTH, MA 026641218
Phone: (508) 778-4777
Fax: (508) 771-9555
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $191.
Total Amount is formed as General ($191) + Research ($0) + Ownership ($0) = $191.
Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Novo Nordisk Inc ($83).
Total Amount
$191
General + Research + Ownership
Payments
8
Total payment records
General Amount
$191
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $83 |
| Exact Sciences Corporation | $53 |
| Abbott Laboratories | $35 |
| PFIZER INC. | $20 |
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: 2005-09-26
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 |
|---|---|---|---|---|
| I20050926001172 | I | Internal Medicine | MA | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 843 | 447 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 714 | 350 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 669 | 368 | $0 |
| 80048 | Blood test, basic group of blood chemicals (calcium, total) | 503 | 323 | $0 |
| 84450 | Liver enzyme (sgot), level | 480 | 319 | $0 |
Insurance plans in this area (ZIP 02601)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MA | 81002 | Urinalysis, manual test | 76 | 73 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | MA | |
| Nurse Practitioner | MA | |
| Physician Assistant | MA | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | MA | |
| Family Practice | MA | |
| Thoracic Surgery, General Surgery | MA | |
| - | MA | |
| N E U R O S U R G E R Y | MA | |
| - | NV | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX |
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