Doctor profile · Federal record

Dr. Marcella Welker, N.P.

Family Nurse Practitioner (CMS: Nurse Practitioner) · Saginaw, MI

  • NPI 1073512646
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4450 Fashion Square Blvd
Saginaw, MI 486031251
(989) 792-4090
fax (989) 792-4094

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Michigan #4704171054

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073512646. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
941
Distinct HCPCS
5
Medicare allowed
$106,090
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 518 188 $97
G0482 Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms 148 106 $194
80307 Testing for presence of drug, by chemistry analyzers 143 114 $60
G0481 Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms 113 100 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $69

In context: peer comparison

Among 49 peers in Saginaw Family Nurse Practitioner, average services per provider: 77. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Si-Bone, INC. 1 $26.68

By nature of payment

Food and Beverage
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,022
Patients
842
Total drug cost
$191,640
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 1,742 261 $48,612
Morphine Sulfate ER (Morphine Sulfate) Brand 533 71 $16,621
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 494 77 $14,681
Gabapentin Generic 460 109 $9,338
Fentanyl Generic 325 48 $27,420
Tramadol Hcl Generic 235 37 $1,488
Oxycodone Hcl Generic 218 31 $4,525
Morphine Sulfate Generic 172 24 $4,991
Pregabalin Generic 157 33 $5,776
Baclofen Generic 149 35 $3,845

Frequently asked questions

Auto-generated from federal data
What is Dr. Marcella Welker's medical specialty?
Dr. Marcella Welker practices Family Nurse Practitioner in Saginaw, MI.
Where does Dr. Marcella Welker practice?
Dr. Marcella Welker practices at 4450 Fashion Square Blvd, Saginaw, MI 486031251. Office phone: 9897924090.
What is Dr. Marcella Welker's NPI?
Dr. Marcella Welker's National Provider Identifier (NPI) is 1073512646, issued by NPPES.
Does Dr. Marcella Welker accept Medicare assignment?
Yes. Dr. Marcella Welker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marcella Welker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (HCPCS G0482); Testing for presence of drug, by chemistry analyzers (HCPCS 80307). Source: CMS Medicare Physician & Other Practitioners file.