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DR. MARK HAMILTON HENIGAN D.O.
NPI 1689897365
Psychiatry & Neurology - Psychiatry in Modesto, CA

Active since April 11, 2007Opted out of Medicare · through Apr 1, 2027
1729 TULLY RD, SUITE EIGHT, MODESTO, CA 95350(209) 544-8363(209) 758-0995 Get Directions Write a Review

NPPES record last updated: July 21, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mark Hamilton Henigan D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK HAMILTON HENIGAN D.O. (NPI 1689897365) is an individual psychiatry provider in Modesto, California, licensed in California (20A6351) and active in the NPI registry since April 2007. He has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1689897365
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MARK HAMILTON HENIGANCredential: D.O.
Location Address1729 TULLY RD, SUITE EIGHTModesto, CA 95350-4082
Mailing Address1729 Tully Rd, Suite EightModesto, CA 95350-4082 · (209) 544-8363 · Fax (209) 758-0995
Phone(209) 544-8363
Fax(209) 758-0995
Sole ProprietorYes
Enumeration DateApril 11, 2007
Last NPPES UpdateJuly 21, 2008
✔ NPI 1689897365 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · 20A6351
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 20A6351 (CA)
1729 TULLY RD, Modesto, CA 95350
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Other Identifiers 2

Medicaid9519325CA
Medicare UPINE64419CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Mark Hamilton Henigan D.o. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2015 through April 1, 2027.

Opt-Out Effective DateApril 1, 2015
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95350 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$176.60 typical visit price
range $58.87 – $176.60
Typical copayment $44.15 (range $14.71 – $44.15)
Most-billed visit code 99205
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LLOYD D. SMITH JR., M.D., INC.
Pathology (Dermatopathology)
1729 TULLY RD, #7
MODESTO, CA 95350
Stanislaus County (209) 521-2748
MR. PETER LOREN SHEPPARD M.S.
Marriage & Family Therapist
1729 TULLY RD, SUITE 8
MODESTO, CA 95350
Stanislaus County (209) 571-6053
MS. JUDITH MARTHA SHEPPARD M.S.
Marriage & Family Therapist
1729 TULLY RD, SUITE 8
MODESTO, CA 95350
Stanislaus County (209) 571-6053
EVELYN I SCHAFFER M.F.T.
Marriage & Family Therapist
1729 TULLY RD, SUITE 8
MODESTO, CA 95350
Stanislaus County (209) 571-6050

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Henigan's NPI number?

The NPI number for Mark Henigan is 1689897365. It was assigned to this individual provider in the NPPES registry on April 11, 2007.

Where is Mark Henigan located?

Mark Henigan practices at 1729 Tully Rd Suite Eight, Modesto, CA 95350. The listed phone number is (209) 544-8363.

What is Mark Henigan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mark Henigan enrolled in Medicare?

No. Mark Henigan has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Mark Henigan was last updated on July 21, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.