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DR. MASHFEE HOSSAIN KHAN MD
NPI 1114555422
Anesthesiology in San Diego, CA

Active since March 31, 2020PECOS EnrolledAccepts Medicare Assignment
3626 RUFFIN RD, SAN DIEGO, CA 92123(858) 565-9666(858) 565-9441 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 26, 2026, Nov 4, 2025, Aug 22, 2024 and 3 more (6 updates tracked since 2020).

About Dr. Mashfee Hossain Khan Md NPPES

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

DR. MASHFEE HOSSAIN KHAN MD (NPI 1114555422) is an individual anesthesiology provider in San Diego, California, licensed in California (A203081) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Mercyone Des Moines Medical Center, and is a graduate of University Of Texas Medical Branch At Galveston (2020).

NPPES Registry Identity

NPI1114555422
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. MASHFEE HOSSAIN KHANCredential: MD
Location Address3626 RUFFIN RDSan Diego, CA 92123-1810
Mailing Address3626 Ruffin RdSan Diego, CA 92123-1810 · (858) 565-9666 · Fax (858) 565-9441
Phone(858) 565-9666
Fax(858) 565-9441
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2020
Enumeration DateMarch 31, 2020
Last NPPES UpdateAugust 26, 20266 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
✔ NPI 1114555422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CA · A203081✔ Licensed in TX · U9565✔ Licensed in IA · MD-55360
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License U9565 (TX)
3626 RUFFIN RD, San Diego, CA 92123
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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. Mashfee Hossain Khan Md 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 ID2062833247
PECOS Enrollment IDI20240812000673, I20250912000833
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

3

Medicare enrollment records show Mashfee Khan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

U. S. Anesthesia Partners Of Texas, P.A.,
1,291 mi
Anesthesiology
1500 CITYWEST BLVD, SUITE 300
Houston, TX 77042
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
  • 3,804 clinicians in this Medicare group
NPI 1548208564 (877) 361-1809
Baylor College Of Medicine
1,301 mi
Medical Genetics, Ph.D. Medical Genetics
7200 CAMBRIDGE ST FL 10
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,554 clinicians in this Medicare group
NPI 1881026664 (713) 798-0000
Cep America - Anesthesia PC
1,416 mi
Anesthesiology
1755 59TH PL
West Des Moines, IA 50266
  • Reassigned Medicare billing, Iowa enrollment
  • 209 clinicians in this Medicare group
NPI 1194516146 (515) 358-8000

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

Hospital Affiliations CMS Care Compare 2

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

Mercyone Des Moines Medical Center

Acute Care Hospitals · Des Moines, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160083
Location1111 6th AveDes Moines, IA 50314 · Polk County
Emergency services Birthing friendly

Chi St Luke's Health Baylor College Of Medicine Me

Acute Care Hospitals · Houston, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450193
Location6720 Bertner Ave, Ste Mc1-266Houston, TX 77030 · Harris County
Emergency services

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.

THOMAS J. PIETUCH M.D.
Anesthesiology
3626 RUFFIN RD
SAN DIEGO, CA 92123
San Diego County (858) 565-9666
DR. JEFFREY KOJI SAKIHARA M.D.
Anesthesiology
3626 RUFFIN RD
SAN DIEGO, CA 92123
San Diego County (858) 565-9666
MARK SETH CHRISTOFFERSON MD
Anesthesiology
3626 RUFFIN RD
SAN DIEGO, CA 92123
San Diego County (858) 565-9666
QUINN S HUME DO
Anesthesiology
3626 RUFFIN RD
SAN DIEGO, CA 92123
San Diego County (858) 565-9666
STEVEN A. SALTZ M.D.
Anesthesiology
3626 RUFFIN RD
SAN DIEGO, CA 92123
San Diego County (858) 565-9666
TATYANA FELDMAN MD
Anesthesiology
3626 RUFFIN RD
SAN DIEGO, CA 92123
San Diego County (858) 565-9666
DR. JAMES BRIAN BILLYS MD
Anesthesiology
3626 RUFFIN RD
SAN DIEGO, CA 92123
San Diego County (858) 565-9666
DARCI J. TOM M.D.
Anesthesiology
3626 RUFFIN RD
SAN DIEGO, CA 92123
San Diego County (858) 565-9666

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 Mashfee Khan's NPI number?

The NPI number for Mashfee Khan is 1114555422. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Mashfee Khan located?

Mashfee Khan practices at 3626 Ruffin Rd, San Diego, CA 92123. The listed phone number is (858) 565-9666.

What is Mashfee Khan's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Mashfee Khan enrolled in Medicare?

Yes. Mashfee Khan 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 Mashfee Khan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mashfee Khan reassigns Medicare benefits to 3 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Baylor College Of Medicine (Houston, TX) and Cep America - Anesthesia PC (West Des Moines, IA). 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 Mashfee Khan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mashfee Khan accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Mashfee Khan 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.

Is Mashfee Khan affiliated with any hospitals?

According to CMS data, Mashfee Khan is affiliated with Mercyone Des Moines Medical Center and Chi St Luke's Health Baylor College Of Medicine Me.

When was this NPI record last updated?

The NPPES record for Mashfee Khan was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.