DR. JOHN HASKELL HOLLAND (DC) – Chiropractor, NPI 1972673945

DR. JOHN HASKELL HOLLAND (DC) is a healthcare provider. based in La habra, California. specializing in CHIROPRACTIC. They hold the professional credentials DC. They hold a License No. 19838 (CA). The NPI Number for DR. JOHN HASKELL HOLLAND (DC) is 1972673945

Main info

Male
Sole Proprietor
37 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN HASKELL HOLLAND (DC)
NPI
1972673945
Phone
(562) 694-8347
Address
355 S HARBOR BLVD
Enumeration Date
8 November 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
LOS ANGELES COLLEGE OF CHIROPRACTIC
Secondary Phone
5626948347
Graduation Year
1989 (37 years ago)
PAC ID
2264582402
Group Practice PAC ID
0143262667
Professional Enrollment ID
I20090610000475
Address ID
CA906315643LA355XXBLVD400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

3,358 CHIROPRACTIC in CA

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Provider Addresses for DR. JOHN HASKELL HOLLAND (DC)

  • 355, South Harbor Boulevard, La Habra, Orange County, California, 90631, United States

    LA HABRA, CA 906315643

    Phone: (562) 694-8347

    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: 2009-06-10

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

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20090610000475IChiropracticCATBD

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.

Verify on CMS Revalidation Lookup Tool

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

HCPCSDescriptionServicesBeneficiariesMedicare allowed
98940Chiropractic manipulative treatment, 1-2 spinal regions1,482109$0
View full utilization report →

Insurance plans in this area (ZIP 90631)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0143262667View full group profile
NameSpecialtyState
C H I R O P R A C T I CUT
C H I R O P R A C T I CCA

Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. JOHN HASKELL HOLLAND (DC)?
DR. JOHN HASKELL HOLLAND (DC) — NPI 1972673945 — is the standard way to identify this listing.
Is DR. JOHN HASKELL HOLLAND (DC) listed as active for patients and plans?
The listing shows DR. JOHN HASKELL HOLLAND (DC) as active in the NPI system.
What healthcare role does DR. JOHN HASKELL HOLLAND (DC) hold?
Scheduling teams often label DR. JOHN HASKELL HOLLAND (DC) under Chiropractor. Clinical services aligned with this taxonomy classification.
What address line appears for DR. JOHN HASKELL HOLLAND (DC)?
DR. JOHN HASKELL HOLLAND (DC)'s geographic hint is La Habra, California in our summary view.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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