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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK GEORGE SEREDOWYCH M.D.
NPI 1275545782
Internal Medicine in Santa Fe, NM

Active since August 13, 2006PECOS EnrolledAccepts Medicare Assignment
2085 S PACHECO ST, SANTA FE, NM 87505(505) 395-3050(505) 982-5003 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Jan 12, 2026, Nov 12, 2025 (3 updates tracked since 2025).

About Dr. Mark George Seredowych M.d. NPPES

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

DR. MARK GEORGE SEREDOWYCH M.D. (NPI 1275545782) is an individual internal medicine provider in Santa Fe, New Mexico, licensed in New Mexico (2000-89) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Christus St Vincent Regional Medical Center, and maintains a secondary practice location in Santa Fe.

NPPES Registry Identity

NPI1275545782
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARK GEORGE SEREDOWYCHCredential: M.D.
Location Address2085 S PACHECO STSanta Fe, NM 87505-6103
Mailing Address2085 S Pacheco StSanta Fe, NM 87505-6103 · (505) 395-3050 · Fax (505) 982-5003
Phone(505) 395-3050
Fax(505) 982-5003
Sole ProprietorYes
Medical School CMSOtherGraduated 1987
Enumeration DateAugust 13, 2006
Last NPPES UpdateSeptember 29, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2026
✔ NPI 1275545782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NM · 2000-89
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2085 S PACHECO ST, Santa Fe, NM 87505
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Secondary Practice Location 1

Location 14200 Beckner RdSanta Fe, NM 87507-3774 · Phone (505) 477-2306 · Fax (505) 477-2306

Other Identifiers 1

MedicaidB4686NM

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark George Seredowych M.d. 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 ID7810182086
PECOS Enrollment IDI20101112000999
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

2

Medicare enrollment records show Mark Seredowych reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nexus Health Primary Care LLC
Same address
Family Medicine
2085 S PACHECO ST
Santa Fe, NM 87505
  • Reassigned Medicare billing, New Mexico enrollment
  • 7 clinicians in this Medicare group
NPI 1093903320 (505) 395-3000
Mark Seredowych, MD, PC
0.7 mi
Internal Medicine
1650 HOSPITAL DR, SUITE 200
Santa Fe, NM 87505
  • Reassigned Medicare billing, New Mexico enrollment
NPI 1447568811 (505) 982-4276

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

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
899 services128 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
362 services168 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
181 services181 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
179 services131 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
176 services176 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
125 services66 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus St Vincent Regional Medical Center

Acute Care Hospitals · Santa Fe, NM
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number320002
Location455 St Michael's DriveSanta Fe, NM 87505 · Santa Fe County
Emergency services Birthing friendly

Presbyterian Santa Fe Medical Center

Acute Care Hospitals · Santa Fe, NM
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number320090
Location4801 Beckner RoadSanta Fe, NM 87507 · Santa Fe County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 87505 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
$126.21 typical visit price
range $54.26 – $166.80
Typical copayment $31.55 (range $13.56 – $41.70)
Most-billed visit code 99204
Established Patient
$96.38 typical visit price
range $17.00 – $135.35
Typical copayment $24.09 (range $4.25 – $33.83)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
93%2,542 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
78%2,418 patients3/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
10%550 patients1/55-star benchmark: 90%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
49%792 patients3/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 77% · 686 patients
Patients tobacco: 67% · 686 patients
3%74 patients1/55-star benchmark: 98%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 2% · 550 patients
6%550 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers33 claims103 services$6.12 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
3 suppliers11 claims14 services$1.03 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
3 suppliers14 claims80 services$2.39 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers67 claims67 services$16.31 avg. paid by Medicare
Humidifier, heated, used with positive airway pressure device E0562
DME-Other DME · category DE001N
2 suppliers17 claims17 services$13.19 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
3 suppliers27 claims27 services$35.77 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 15

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

YANET CORA KOPNINA MD
Family Medicine
2085 S PACHECO ST
SANTA FE, NM 87505
Santa Fe County (505) 477-2200
CITY DIFFERENT PRIMARY CARE, LLC
Family Medicine
2085 S PACHECO ST
SANTA FE, NM 87505
Santa Fe County (505) 395-3000
NEXUS HEALTH PRIMARY CARE LLC
Family Medicine
2085 S PACHECO ST
SANTA FE, NM 87505
Santa Fe County (505) 395-3000
ROBERT VAN BLAKEBURN MD
Family Medicine
2085 S PACHECO ST
SANTA FE, NM 87505
Santa Fe County (505) 395-3000
SARA GARMON NP
Nurse Practitioner (Acute Care)
2085 S PACHECO ST
SANTA FE, NM 87505
Santa Fe County (505) 477-2200
KIMBER M STOUT MD
Internal Medicine (Interventional Cardiology)
2085 S PACHECO ST, SUITE A
SANTA FE, NM 87505
Santa Fe County (505) 984-8012
DR. MARK RICHARD ZOLNICK MD
Internal Medicine (Interventional Cardiology)
2085 S PACHECO ST
SANTA FE, NM 87505
Santa Fe County (505) 984-8012
MS. LINDA WASSNER APRN-BC
Nurse Practitioner (Family)
2085 S PACHECO ST
SANTA FE, NM 87505
Santa Fe County (505) 984-8012

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 Seredowych's NPI number?

The NPI number for Mark Seredowych is 1275545782. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Mark Seredowych located?

Mark Seredowych practices at 2085 S Pacheco St, Santa Fe, NM 87505. The listed phone number is (505) 395-3050.

What is Mark Seredowych's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mark Seredowych enrolled in Medicare?

Yes. Mark Seredowych 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.

Which organizations bill Medicare for Mark Seredowych's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Seredowych reassigns Medicare benefits to 2 organizations: Nexus Health Primary Care LLC (Santa Fe, NM) and Mark Seredowych, MD, PC (Santa Fe, NM). 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 Seredowych's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mark Seredowych affiliated with any hospitals?

According to CMS data, Mark Seredowych is affiliated with Christus St Vincent Regional Medical Center and Presbyterian Santa Fe Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Seredowych was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.