DR. NATHANIEL L HADDOCK (M.D.) – Internal Medicine Physician, NPI 1659397065
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
234 INTERNAL MEDICINE in AK
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Provider Addresses for DR. NATHANIEL L HADDOCK (M.D.)
Glacier Highway, Juneau, Alaska, 99802, United States
JUNEAU, AK 998018561
Phone: (907) 789-2910
Fax: (907) 789-5545
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)
CMS reports 38 Open Payments records for all available years, with a total value of $842.
Total Amount is formed as General ($842) + Research ($0) + Ownership ($0) = $842.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($274).
Total Amount
$842
General + Research + Ownership
Payments
38
Total payment records
General Amount
$842
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2005-02-22
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 |
|---|---|---|---|---|
| I20050222001042 | I | Internal Medicine | AK | 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 |
|---|---|---|---|---|
| 80053 | Blood test, comprehensive group of blood chemicals | 556 | 366 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 531 | 370 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 522 | 264 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 458 | 307 | $0 |
| 83735 | Magnesium level | 302 | 258 | $0 |
Insurance plans in this area (ZIP 99801)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | AK | 83036 | Hemoglobin A1C level | 162 | 120 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | AK | |
| Family Practice | AK | |
| Nurse Practitioner | AK |
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