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ALEXANDER MARK MCCLANAHAN MD, MHA
NPI 1215504675
Psychiatry & Neurology - Psychiatry in New Haven, CT

Active since June 04, 2021PECOS EnrolledAccepts Medicare Assignment
34 PARK ST, NEW HAVEN, CT 06519(203) 974-7072 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 6, 2025, Jun 25, 2025, Jun 4, 2021 (3 updates tracked since 2021).

About Alexander Mark Mcclanahan Md, Mha NPPES

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

ALEXANDER MARK MCCLANAHAN MD, MHA (NPI 1215504675) is an individual psychiatry provider in New Haven, Connecticut, licensed in Connecticut (80646) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth University, School Of Medicine (2021).

NPPES Registry Identity

NPI1215504675
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameALEXANDER MARK MCCLANAHANCredential: MD, MHA
Location Address34 PARK STNew Haven, CT 06519-1109
Mailing Address169 Ashley Avenue, Room 202 Main Hospital, Msc333Charleston, SC 29425
Phone(203) 974-7072
Sole ProprietorNo
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2021
Enumeration DateJune 4, 2021
Last NPPES UpdateAugust 6, 20253 updates tracked since enumeration
NPPES CertifiedAugust 6, 2025
✔ NPI 1215504675 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CT · 80646✔ Licensed in SC · 86236
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.
34 PARK ST, New Haven, CT 06519
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alexander Mark Mcclanahan Md, Mha is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072919869
PECOS Enrollment IDI20251104004064
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06519 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
$183.10 typical visit price
range $60.82 – $183.10
Typical copayment $45.77 (range $15.20 – $45.77)
Most-billed visit code 99205
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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 20

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

CELESTE ERIKA VALENCIA M.D.
Psychiatry & Neurology (Psychiatry)
34 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7158
JEANNE LAURA STEINER DO
Psychiatry & Neurology (Psychiatry)
34 PARK ST, CONNECTICUT MENTAL HEALTH CENTER
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7417
DR. JOHN R SAKSA PSY.D.
Psychologist (Clinical)
34 PARK ST, RM. B-38
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7043
DR. VINOD H SRIHARI MD
Psychiatry & Neurology (Psychiatry)
34 PARK ST, CONNECTICUT MENTAL HEALTH CENTER
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7417
JO R KREMER MD
Psychiatry & Neurology (Psychiatry)
34 PARK ST, CONNECTICUT MENTAL HEALTH CENTER
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7417
ANDREA PATRICIA MENDIOLA IPARRAGUIRRE
Student in an Organized Health Care Education/Training Program
34 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (475) 217-6217
PAYAL KHENGAR
Student in an Organized Health Care Education/Training Program
34 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-5777
MRS. NANCY ELIZABETH WATSKY APRN
Nurse Practitioner (Psychiatric/Mental Health)
34 PARK ST, CONNECTICUT MENTAL HEALTH CENTER
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7417

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 Alexander Mcclanahan's NPI number?

The NPI number for Alexander Mcclanahan is 1215504675. It was assigned to this individual provider in the NPPES registry on June 4, 2021.

Where is Alexander Mcclanahan located?

Alexander Mcclanahan practices at 34 Park St, New Haven, CT 06519. The listed phone number is (203) 974-7072.

What is Alexander Mcclanahan's specialty?

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

Is Alexander Mcclanahan enrolled in Medicare?

Yes. Alexander Mcclanahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Alexander Mcclanahan accept?

Health plans from BlueCross BlueShield of South Carolina list Alexander Mcclanahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alexander Mcclanahan was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.