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DR. MARK FRANCIS TOWNS M.D.
NPI 1811183643
Internal Medicine - Addiction Medicine in Galt, CA

Active since September 14, 2007PECOS Enrolled
750 SPAANS DR, SUITES F AND C, GALT, CA 95632(209) 744-9909(209) 744-9910 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 6, 2025, Sep 18, 2024, Dec 5, 2019 (3 updates tracked since 2019).

About Dr. Mark Francis Towns M.d. NPPES

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

DR. MARK FRANCIS TOWNS M.D. (NPI 1811183643) is an individual addiction medicine provider in Galt, California, licensed in California (A100676) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811183643
Entity TypeIndividualMale
Primary Taxonomy207RA0401X
Provider Legal NameDR. MARK FRANCIS TOWNSCredential: M.D.
Location Address750 SPAANS DR, SUITES F AND CGalt, CA 95632-8609
Mailing Address768 Griffey WayGalt, CA 95632-3065 · (916) 612-2452 · Fax (209) 745-2746
Phone(209) 744-9909
Fax(209) 744-9910
Sole ProprietorYes
Enumeration DateSeptember 14, 2007
Last NPPES UpdateAugust 6, 20253 updates tracked since enumeration
NPPES CertifiedAugust 6, 2025
✔ NPI 1811183643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
License✔ Licensed in CA · A100676
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License A100676 (CA)
Also ListedHospitalistTaxonomy 208M00000X · License A100676 (CA)
750 SPAANS DR, Galt, CA 95632
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Francis Towns M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

4

Medicare enrollment records show Mark Towns reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Towns Health Services, Inc.
Same address
Rehabilitation, Substance Use Disorder
750 SPAANS DR STE C, D, AND F
Galt, CA 95632
  • Reassigned Medicare billing, California enrollment
NPI 1912277492 (209) 744-9909
San Joaquin County Behavioral Health Services
9.6 mi
Mental Health (Including Community Mental Health Center)
1209 W TOKAY STREET, SUITE 1, 3, 5, 7, 12, 14, AND 16
Lodi, CA 95240
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of San Joaquin
  • 195 clinicians in this Medicare group
NPI 1265647234 (209) 468-8700
Farallon Inpatient Medical Group Inc
104 mi
Emergency Medicine
5176 HILL RD E
Lakeport, CA 95453
  • Reassigned Medicare billing, California enrollment
  • 40 clinicians in this Medicare group
NPI 1417441080 (707) 262-5000
Saint Agnes Medical Foundation
130 mi
Internal Medicine
1303 E HERNDON AVE, SUITE 850
Fresno, CA 93720
  • Reassigned Medicare billing, California enrollment
  • 296 clinicians in this Medicare group
NPI 1558819482 (559) 450-5611

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95632 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
Most-billed visit code 99214
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 14

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

MATTHEW RAYMOND ULM
Counselor (Addiction (Substance Use Disorder))
750 SPAANS DR
GALT, CA 95632
Sacramento County (209) 744-9909
MARINA SERRANO
Counselor (Addiction (Substance Use Disorder))
750 SPAANS DR
GALT, CA 95632
Sacramento County (209) 744-9909
SOLAIMAN JOSHAN
Counselor (Addiction (Substance Use Disorder))
750 SPAANS DR
GALT, CA 95632
Sacramento County (209) 744-9909
JAMINA ARNETT WRIGHT
Counselor (Addiction (Substance Use Disorder))
750 SPAANS DR
GALT, CA 95632
Sacramento County (209) 744-9909
MISHAL HAMID REHMAN SUDRC # 21844
Counselor (Addiction (Substance Use Disorder))
750 SPAANS DR
GALT, CA 95632
Sacramento County (209) 744-9909
RONIKA RANJITA PRAKASH
Counselor (Addiction (Substance Use Disorder))
750 SPAANS DR
GALT, CA 95632
Sacramento County (916) 385-1701
DAVID ANTHONY RODRIGUEZ SUDRC 21668
Counselor (Addiction (Substance Use Disorder))
750 SPAANS DR
GALT, CA 95632
Sacramento County (209) 744-9909
MRS. STEPHANIE JEAN HUIHUI-BARKER CADC II, ICADC
Counselor (Addiction (Substance Use Disorder))
750 SPAANS DR
GALT, CA 95632
Sacramento County (209) 744-9909

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 Towns's NPI number?

The NPI number for Mark Towns is 1811183643. It was assigned to this individual provider in the NPPES registry on September 14, 2007.

Where is Mark Towns located?

Mark Towns practices at 750 Spaans Dr Suites F And C, Galt, CA 95632. The listed phone number is (209) 744-9909.

What is Mark Towns's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Is Mark Towns enrolled in Medicare?

Yes. Mark Towns is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Towns's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Towns reassigns Medicare benefits to 4 organizations: Towns Health Services, Inc. (Galt, CA), San Joaquin County Behavioral Health Services (Lodi, CA), Farallon Inpatient Medical Group Inc (Lakeport, CA) and Saint Agnes Medical Foundation (Fresno, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Towns's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Towns 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 15 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.