1. Home
  2. Directory
  3. California
  4. Rancho Mirage
  5. Internal Medicine
  6. NPI Profile

DR. WILLIAM STEVEN LONGFELLOW M.D.
NPI 1922149285
Internal Medicine in Rancho Mirage, CA

Active since February 09, 2007PECOS Enrolled
71780 SAN JACINTO DR, SUITE H-1, RANCHO MIRAGE, CA 92270(760) 340-6777(760) 340-1146 Get Directions Write a Review

NPPES record last updated: October 10, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Steven Longfellow M.d. NPPES

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

DR. WILLIAM STEVEN LONGFELLOW M.D. (NPI 1922149285) is an individual internal medicine provider in Rancho Mirage, California, licensed in California (A50581) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922149285
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM STEVEN LONGFELLOWCredential: M.D.
Location Address71780 SAN JACINTO DR, SUITE H-1Rancho Mirage, CA 92270-5516
Mailing Address71780 San Jacinto Dr, Suite H-1Rancho Mirage, CA 92270-5516 · (760) 340-6777 · Fax (760) 340-1146
Phone(760) 340-6777
Fax(760) 340-1146
Sole ProprietorNo
Enumeration DateFebruary 9, 2007
Last NPPES UpdateOctober 10, 2011
✔ NPI 1922149285 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A50581
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.
71780 SAN JACINTO DR, Rancho Mirage, CA 92270
Open in Google Maps ↗

Other Identifiers 2

OtherZZZ26427ZCA · Group Id Number Box 33
Medicare ID-Type Unspecified00A505810CA · Provider Id Number

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Steven Longfellow 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92270 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
77%96 patients4/55-star benchmark: 92%
Closing the Referral Loop: Receipt of Specialist Report
Percentage of patients with referrals, regardless of age, for which the referring provider receives a report from the provider to whom the patient was referred
80%223 patients4/55-star benchmark: 95%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
99%218 patients5/55-star benchmark: 85%
Depression Utilization of the PHQ-9 Tool
The percentage of patients age 18 and older with the diagnosis of major depression or dysthymia who have a completed PHQ-9 during each applicable 4 month period in which there was a qualifying visit
Patients 4MonthsOfEnd: 3% · 32 patients
Patients 4MonthsOfStart: 10% · 29 patients
20%35 patients
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.
99%1,353 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.
17%2,825 patients1/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
4%514 patients1/55-star benchmark: 98%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
99%110 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
13%514 patients1/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
11%514 patients1/55-star benchmark: 79%
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% · 410 patients
4%410 patients4/55-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 11

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
10 suppliers23 claims89 services$6.44 avg. paid by Medicare
Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352
DME-Orthotic Devices · category DF008N
1 supplier13 claims2,600 services$0.93 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
2 suppliers17 claims17 services$73.41 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
2 suppliers16 claims40 services$30.64 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
3 suppliers14 claims14 services$14.76 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
3 suppliers18 claims18 services$10.02 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 11

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

INFUSION NURSING SOLUTIONS, INC.
Clinic/Center (Infusion Therapy)
71780 SAN JACINTO DR, SUITE B3
RANCHO MIRAGE, CA 92270
Riverside County (760) 341-3501
CENTERS FOR WELLNESS AND HEALTH, A MEDICAL CORPORATION
Internal Medicine
71780 SAN JACINTO DR, SUITE I-1
RANCHO MIRAGE, CA 92270
Riverside County (760) 346-1223
SHELLY COUNTS R.N., BSN
Registered Nurse (Infusion Therapy)
71780 SAN JACINTO DR, SUITE B3
RANCHO MIRAGE, CA 92270
Riverside County (760) 341-3501
ALL CITIES MEDICAL SOLUTIONS
General Practice
71780 SAN JACINTO DR, SUITE B-1
RANCHO MIRAGE, CA 92270
Riverside County (760) 341-3501
CINDY HUFF R.N.,MSN
Registered Nurse (Infusion Therapy)
71780 SAN JACINTO DR, SUITE B3
RANCHO MIRAGE, CA 92270
Riverside County (760) 341-3501
DR. PUSHPINDER SINGH SIVIA MD
Surgery (Vascular Surgery)
71780 SAN JACINTO DR, BUILDING I
RANCHO MIRAGE, CA 92270
Riverside County (760) 568-3461
DESERT SPEECH THERAPY INC.
Speech-Language Pathologist
71780 SAN JACINTO DR
RANCHO MIRAGE, CA 92270
Riverside County (442) 933-9152
RIVER'S EDGE SURGERY CENTER, INC.
Clinic/Center (Ambulatory Surgical)
71780 SAN JACINTO DR, BUILDING D
RANCHO MIRAGE, CA 92270
Riverside County (951) 699-0303

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 William Longfellow's NPI number?

The NPI number for William Longfellow is 1922149285. It was assigned to this individual provider in the NPPES registry on February 9, 2007.

Where is William Longfellow located?

William Longfellow practices at 71780 San Jacinto Dr Suite H-1, Rancho Mirage, CA 92270. The listed phone number is (760) 340-6777.

What is William Longfellow's specialty?

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

Is William Longfellow enrolled in Medicare?

Yes. William Longfellow is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Longfellow was last updated on October 10, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.