Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1285525543 Individual Practitioner Male Practitioner

Dr. Mark B Letterman , DC, OMD

Chiropractor • Rehoboth Beach, DE

Professional Overview & Biography Verified Profile Summary

Dr. Mark Letterman, DC, OMD is a registered healthcare professional specializing in Chiropractor in Rehoboth Beach, DE. Practice services are available at 70 REHOBOTH AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

70 Rehoboth Ave

Rehoboth Beach, DE 199712171

Telephone 3026121077

Specialty Benchmarks & Practice Insights

Comparative analytics for Chiropractor in Rehoboth Beach, DE

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 8.3 Yrs
State Avg: 26.4 Yrs
Regional Practice Density
10 Specialists

Practicing in Rehoboth Beach, DE (243 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-07-14
Chiropractor Primary Specialty

NUCC Taxonomy Code: 111N00000X

State License DE F1-0011109

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

Acupuncturist

NUCC Taxonomy Code: 171100000X

State License DE CT-0010019

An acupuncturist is a person who performs ancient therapy for alleviation of pain, anesthesia and treatment of some diseases. Acupuncturists use long, fine needles inserted into specific points in order to treat painful conditions or produce anesthesia.

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 14, 2025

NPI status registered as active in NPPES database

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Updated Practice Location July 14, 2025

Registered at 70 REHOBOTH AVE, REHOBOTH BEACH, DE 199712171 (Tel: 3026121077)

📍
Updated Business Mailing Address July 14, 2025

Registered at 1803 SLAUGHTER STATION RD, HARTLY, DE 199533222

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Provider Name / Credentials Updated July 14, 2025

Recorded as MARK LETTERMAN, DC, OMD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 14, 2025

Acupuncturist (License #CT-0010019 in DE)

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Initial NPI Registration & Enumeration July 14, 2025

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1285525543
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 14, 2025
Last Update: July 14, 2025
Sole Proprietor: Yes

Mailing Address

1803 Slaughter Station Rd

Hartly, DE 199533222

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.